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  • August 2026

  • Sat 15

    Launch Electron / Aspera

    Aug 15
    Launch Complex 1, ~39°S, Mahia Peninsula, New Zealand
    NASA astrophysics 9-month mission to gather ultraviolet light information for understanding origins of stars / planets / life.
  • Mon 17

    IAU Symposium 408: Unraveling the joint lives of Stars and Exoplanets

    Aug 17 - Aug 21
    Liège, Belgium
    Key themes include: Characterizing exoplanet-host solar-like stars; Star-planet interactions; Planet populations around solar-like stars. At University of Liège.
  • Thu 20

    Chandrayaan-2 Begins Next Year in Lunar Orbit

    Aug 20
    Moon Orbit
    India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover...
  • Sun 23

    Chandrayaan-3 Commemorated for Moon Landing (2023)

    Aug 23
    Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface
    Chandrayaan-3 Vikram lander and Pragyan rover celebrated today after successfully landing on Moon in 2023; marking India as the 4th...
  • Sun 23

    40th Annual Small Satellite Conference

    Aug 23 - Aug 26
    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States
    40th Annual Small Satellite Conference expects ~5,000 attendees, will spotlight technologies driving constellation success and celebrate thousands of people whose...
    $1000
  • Wed 26

    Ground Control #6 at Mesh Youngstorget

    Aug 26
    Oslo, Norway
    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required....
  • Thu 27

    Full Sturgeon Moon, Partial Eclipse of Moon

    Aug 27
    Moon Orbit
    With 93% of the Moon falling into Earth's umbral shadow, maximum eclipse 18:19 HST // 04:12 UTC on August 28,...
  • Sun 30

    Van Allen Probes Mark Another Year in Space

    Aug 30
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment...
  • Sun 30

    Launch Falcon Heavy / Nancy Grace Roman Space Telescope

    Aug 30
    SLC-39A, ~29°N, Kennedy Space Center FL, USA
    Roman will be >12.7 meters long – about the length of a semi-truck trailer – and >4.4 meters wide when...
  • September 2026

  • Tue 1

    NET Sep — Jupiter Icy Moons Explorer (JUICE) to perform flyby of Earth this month

    Sep 1
    Jupiter Trajectory
    ESA Jupiter Icy Moons Explorer (JUICE) expected to perform its second flyby of Earth this month, arriving at Jupiter in...
  • Tue 1

    Launch Vega-C / Sentinel-3C & Fluorescence Explorer

    Sep 1
    Ariane Launch Area 1 (ELV), Guiana Space Centre, ~5°N, French Guiana
    Launch to SSO for 3rd satellite in the Sentinel-3 constellation for optical, radar and altimetry data and for Fluorescence Explorer...
  • Sun 6

    X-Ray Imaging and Spectroscopy Mission (XRISM) Begins Next Year in Space

    Sep 6
    Low Earth Orbit (LEO)
    Japan's X-Ray Imaging and Spectroscopy Mission (XRISM), studying galactic plasma, surpasses another full year in space today at ~550-km LEO, having...
  • Sun 6

    Europlanet Science Congress (EPSC 2026)

    Sep 6 - Sep 11
    The Hague, The Netherlands
    A major European meeting on planetary science. Originally known as the European Planetary Science Congress, the first EPSC was held...
  • Tue 8

    SpaceOps Workshop 2026

    Sep 8 - Sep 10
    Dubai, United Arab Emirates
    At Mohammed Bin Rashid Space Centre (MBRSC); Chair is Saeed Al Mansoori of MBRSC; Co-Chair is Gerard Galet of CNES...
  • Wed 9

    Launch Soyuz 2.1a / Progress MS-35 (96P)

    Sep 9
    Baikonur Cosmodrome, ~46°N, Kazakhstan
    Resupply mission to ISS set for 21:10 UTC+5 | 16:10 UTC | 06:10 HST is 15:40.
  • Fri 11

    Astronaut Scholarship Foundation Industry Tour and Gala

    Sep 11 - Sep 12
    Denver CO, USA
    Industry tour of Denver space companies Friday 08:30-12:00; Astronauts Eileen Collins and Scott Kelly present at the Saturday event, 17:00-20:30....
  • Fri 11

    Extreme Arcology Conference 1 (ExtArc1)

    Sep 11 - Sep 13
    Online
    Inaugural event to convene researchers, policymakers and practitioners to advance understanding of self-sufficient structures in extreme environments, including the Moon....
  • Sat 12

    International Space Elevator Conference 2026 (ISEC 2026)

    Sep 12 - Sep 13
    Online
    Dates TBC.
  • Mon 14

    Tentative Term End for Canadian Space Agency President Lisa Campbell

    Sep 14
    Ottawa, Ontario, Canada
    Campbell was first appointed in September 2020. She was reappointed for an additional year, 14 Sep 2025 - 14 Sep...
  • Mon 14

    Glenn Space Technology Symposium

    Sep 14 - Sep 16
    Cleveland OH, USA
    Usually held in collaboration with NASA Glenn and Case Western Reserve University and usually held at the university.
  • Tue 15

    NASA Lunar Exploration Analysis Group (LEAG) Fall Meeting

    Sep 15 - Sep 17
    West Lafayette, Indiana
    Planning for 2.5 days of hybrid oral sessions and an in-person poster session. There will be no registration fee. Some...
  • Tue 15

    Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference

    Sep 15 - Sep 18
    Maui HI, USA
    27th year of this top scientific conference in the USA devoted to Space Domain Awareness (SDA) and Space Situational Awareness...
    $200
  • Wed 16

    GEGSLA 15th Operational Meeting

    Sep 16
    Online
    Global Experts Group on Sustainable Lunar Activities continues discussions on ongoing workstreams and priorities related to the sustainable exploration and...
  • Wed 16

    Ground Control #7 at Mesh Youngstorget

    Sep 16
    Oslo, Norway
    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required....
  • Sat 19

    2026 International Observe the Moon Night

    Sep 19 - Sep 20
    Worldwide
    Join observers around the world in learning about lunar science and exploration (and sharing your own Moon work!), making celestial...
  • Mon 21

    12th Anniversary of Mars Atmosphere and Volatile EvolutioN (MAVEN) Entering Mars Orbit

    Sep 21
    Mars Orbit
    NASA Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft reaches 12 years of operations in Mars orbit after insertion on this...
  • Mon 21

    2026 Texas Space Summit: Land Here, Go Beyond

    Sep 21 - Sep 23
    San Antonio TX, USA
    Highlighting the role of Texas in the commercial space economy, innovators, investors, contractors and NASA reps will participate in immersive...
  • Tue 22

    September Equinox

    Sep 22
    Worldwide
    14:02 HST (04:02 UTC); the Sun rises exactly in east traveling through sky for 12 hours, sets exactly in west;...
  • Sat 26

    Double Asteroid Redirection Test (DART) Anniversary Observation

    Sep 26
    Worldwide
    Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid...
  • Sat 26

    Corn / Harvest Moon

    Sep 26
    Moon Orbit
    16:49 UTC (06:49 HST).
  • Mon 28

    11th Anniversary of Astrosat Launch

    Sep 28
    Low Earth Orbit (LEO)
    Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.
  • Mon 28

    Quantum Innovation Summit: Technology, Information and Media

    Sep 28 - Sep 30
    Dubai, United Arab Emirates
    Includes Moon Village Association Symposium on Sep 28. Invites governments, critical infrastructure operators, global technology companies, research institutions, investors and...
    US$250 – US$3000
  • Mon 28

    ISYA Vietnam 2026: 48th International School for Young Astronomers

    Sep 28 - Oct 16
    Quy Nhan, Vietnam
    At International Centre for Interdisciplinary Science Education (ICISE), Quy Nhon, Vietnam, for target audience Early MSc/PhD students and senior undergraduates...
  • Wed 30

    SSGS 2026: Strategies in Satellite Ground Segment Conference

    Sep 30 - Oct 1
    London, United Kingdom
    "Redefining Ground" is this year's theme for conference dedicated to the satellite ground segment, with 50+ speakers and attendees from...
    €220
  • October 2026

  • Thu 1

    NET Oct — Launch Blue Ghost Lunar Lander Mission 2 & Elytra Dark orbital transfer vehicle

    Oct 1
    TBD
    NET Oct — Launch Blue Ghost Lunar Lander Mission 2 & Elytra Dark orbital transfer vehicle, TBD: Firefly Aerospace second lunar lander mission under...
  • Thu 1

    National Aeronautics and Space Administration (NASA) First Business Day Observation

    Oct 1
    Nationwide USA
    Nationwide celebrations and educational events occur to observe NACA (National Advisory Committee for Aeronautics) first business day as newly-formed National...
  • Sun 4

    World Space Week

    Oct 4 - Oct 10
    Worldwide
    Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space...
  • Mon 5

    SatExpo: Fostering Strategic Connections Across the Satellite & Space Ecosystem

    Oct 5 - Oct 7
    Dubai, United Arab Emirates
    At Dubai Exhibition Center (DEC), Expo City. Co-located with CabSat. Expecting 8,000+ attendees from 70+ countries. Focus on Emerging Market...
  • Mon 5

    77th International Astronautical Congress (IAC 2026): “The World Needs More Space”

    Oct 5 - Oct 9
    Antalya, Republic of Türkiye
    At Nest Congress & Exhibition Center -- Belek Mahallesi, 07506 Serik, expecting 6,000+ participants; introduction-and-invitation short video at https://iac2026.org/iac-2026
  • Thu 8

    BIS Space Rendezvous – Monthly Online Social – October 2026

    Oct 8
    Online
    19:00-20:30 UT; Special Edition – World Space Week JOIN the BIS Space Rendezvous – Monthly Online Social EVERY second Thursday...
  • Tue 13

    Space Summit Asia / Pacific 2026: Current Trends in LEO Research / Commercialization

    Oct 13 - Oct 14
    Narita, Japan
    A conference focus will be tools and platforms for bio-manufacturing in LEO. Confirmed speakers include Chief Scientific Officer of International...
  • Tue 13

    Space Passive Components Days SPCD 2026

    Oct 13 - Oct 16
    Noordwijk, Netherlands
    The SPCD international Symposium is the premier technical conference dedicated to Passive components for space applications. It is an exceptional...
  • Tue 13

    Space Passive Components Days – SPCD 2026

    Oct 13 - Oct 16
    Noordwijk, The Netherlands
    6th SPCD for discussion and exchange of expertise on components representing >80% of Electrical and Electronics Engineering (EEE) parts used...
    €150 – €800
  • Wed 14

    5th Anniversary of Chinese H-alpha Solar Explorer (CHASE) Launch

    Oct 14
    Sun-Synchronous Orbit (SSO)
    First solar observatory for China known as CHASE or Xihe / 羲和 surpasses another full year in space since launching...
  • Thu 15

    NET Oct 15 — Launch Martian Moons eXploration (MMX)

    Oct 15
    Tanegashima Space Center, ~30°N, Japan
    Mars launch window runs Late Oct through Dec 2026 for first Mars mission of JAXA, consisting of sample return probe;...
  • Sat 17

    International Observe the Moon Night 2026

    Oct 17
    Worldwide
    For observation, appreciation, understanding of the Moon / its connection to planetary science / exploration; 1st quarter Moon is best...
  • Sat 17

    24th Anniversary of INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) Launch

    Oct 17
    Low Earth Orbit (LEO)
    Detecting some of the most energetic radiation in space, ESA, NASA, Roscosmos spacecraft surpasses another year of operations in space,...
  • Sat 17

    STARMUS VIII – The Search for Truth

    Oct 17 - Oct 22
    Canary Islands, Spain
    Celebration of science, art, music, exploration and the responsibility we share for the future of our species and our planet....
  • Sun 18

    25th Annual Astronaut Lacy Veach Day of Discovery

    Oct 18
    Honolulu HI, USA
    STEM event to inspire students with hands-on activities and displays featuring rocketry, satellites, astronomy, meteorites, robotics and more. At University...
  • Mon 19

    16th Anniversary of Interstellar Boundary Explorer (IBEX) Launch

    Oct 19
    High Earth Orbit (HEO)
    NASA spacecraft mapping boundary between the Solar System and interstellar space surpasses another full year in space; launched on this...
  • Mon 19

    10th Anniversary of ExoMars 2016 Orbiter Entering Mars Orbit

    Oct 19
    Mars Orbit
    European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on...
  • Mon 19

    NeoSpace Challenge

    Oct 19 - Oct 20
    Luxexpo, Luxembourg
    Final-year-Bachelor’s, Master’s, and PhD students from across the world, enrolled in space-related programmes, are invited to test their skills against...
  • Tue 20

    18th Anniversary of BepiColombo (Mercury Planetary Orbiter and Mercury Magnetospheric Orbiter) Launch

    Oct 20
    Mercury Trajectory
    European Space Agency / JAXA Mercury Planetary Orbiter (MPO) and Mercury Magnetospheric Orbiter (dubbed Mio ‘waterway or fairway’) surpasses another...
  • Tue 20

    NEO Space Europe

    Oct 20
    Luxexpo, Luxembourg
    Navigating Emerging Opportunities: a conference to explore space market trends, emerging technologies, geopolitical dynamics, new companies and the next generation...
  • Tue 20

    UP/LINK: The SpaceTech Business Summit

    Oct 20 - Oct 21
    NYC NY, USA
    Guided by an Advisory Board of leaders from SSPI, Axiom Space, Black Sky, Fidelity, Counco on Foreign Relations, Lockheed Martin,...
  • Tue 20

    14th IAASS Conference: Together for a Safe Space Frontier

    Oct 20 - Oct 22
    Antibes - Juan-les-Pins
    The 14th IAASS Conference, “Together for a Safe Space Frontier”, invites reflection and the exchange of knowledge on critical space...
  • Tue 20

    National Academies Board Meetings: Space Studies, Physics & Astronomy

    Oct 20 - Oct 22
    Washington DC, USA
    The 193rd meeting of the Space Studies Board will be held October 20-21, the meeting of the Board on Physics...
  • Wed 21

    Peak of Orionids Meteor Shower

    Oct 21 - Oct 22
    Worldwide
    Appearing in constellation Orion, Orionids are a Class I shower providing up to 20 per hour, swiftly moving ~66km/sec. With...
  • Wed 21

    SPAICE 2026: AI in and for Space

    Oct 21 - Oct 23
    Noordwijk, Netherlands
    Bringing together leading researchers, engineers, and industry experts at the intersection of artificial intelligence and space exploration. As AI continues...
  • Sat 24

    25th Anniversary of Mars Odyssey Entering Mars Orbit

    Oct 24
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit...
  • Sun 25

    Hunter’s Moon

    Oct 25
    Moon Orbit
    18:12 HST // 04:12 UTC on Oct 26.
  • Sun 25

    Standard Time (Europe) Begins

    Oct 25
    Europe
    Change clocks back 1 hour, from Summer Time to Standard Time.
  • Sun 25

    American Astronomical Society Division of Planetary Sciences 2026 Meeting

    Oct 25 - Oct 30
    Spokane WA, USA
    At the Spokane Convention Center. The meeting will have a broad scope, with a wide-ranging program of science and workforce...
  • Mon 26

    Solar Terrestrial Relations Observatory (STEREO A & B) Mark Another Year in Space

    Oct 26
    Heliocentric Orbit
    NASA craft imaging Sun and solar phenomena surpasses another full year in space today; launched 2006.
  • Mon 26

    von Braun Space Exploration Symposium 2026

    Oct 26 - Oct 28
    Huntsville AL, USA
    Convene, connect, and collaborate at the 19th annual von Braun Space Exploration Symposium! This year’s event will spotlight how bold...
  • Tue 27

    Spaceport Norway: North Star Rising

    Oct 27 - Oct 28
    Oslo, Norway
    Themes include: Space & the Arctic; Space & AI; Space & International Collaboration. There is a Student Session, a Technical...
    €550 – €900
  • Wed 28

    Ground Control #8 at Mesh Youngstorget

    Oct 28
    Oslo, Norway
    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required....
  • November 2026

  • Sun 1

    NET Nov — Chang’E-7 to land on Moon

    Nov 1
    Shackleton Crater Ridge, Moon Surface
    NET Nov — CNSA CE-7 mission planned to land at Shackleton Crater Ridge near Moon South Pole region to survey...
  • Sun 1

    NET Nov — BepiColombo, Hermocentric Orbit Insertion at Mercury

    Nov 1
    Mercury Orbit
    NET Nov — BepiColombo, Hermocentric Orbit Insertion at Mercury, Mercury Orbit: European Space Agency / JAXA Mercury Planetary Orbiter (MPO) and Mercury...
  • Sun 1

    NET Nov – 10th Global Moon Village Workshop & Symposium (2026)

    Nov 1
    TBD
    NET Nov - The 10th edition offers a unique opportunity to celebrate the evolution of the Moon Village concept and...
  • Sun 1

    NET Nov – 32nd Asia-Pacific Regional Space Agency Forum (APRSAF 2026)

    Nov 1
    TBD
    Date and location to be announced.
  • Sun 1

    NET Nov – 37th Planetary Congress of the ASE

    Nov 1
    Wenchang, Hainan, China
    Venue / exact date for Hainan, China -- TBC (to be confirmed); As the only professional association for astronauts, ASE supports...
  • Mon 2

    International Space Station Begins Next Year of Continuous Human Occupation

    Nov 2
    Low Earth Orbit (LEO)
    Today marks another full year of continuous Human occupation of ISS; first component Zarya launched Nov 20, 1998, occupation began...
  • Mon 2

    Standard Time (USA) Begins

    Nov 2
    Nationwide USA
    Change clocks back 1 hour from Daylight Saving to Standard Time; does not include Hawai’i, Arizona (except the Navajo Nation),...
  • Mon 2

    IAU Symposium 409: Innovative Research and Techniques in Astronomy Outreach

    Nov 2 - Nov 6
    Tokyo, Japan
    Coordinating Division Division C Education, Outreach and Heritage The IAU Symposium on Innovative Research and Techniques in Astronomy Communication will...
  • Mon 2

    European Space Weather Week 2026

    Nov 2 - Nov 6
    Florence, Italy
    ESWW is the main annual event in the European Space Weather and Space Climate calendar. It is an international meeting...
  • Mon 2

    Innovative Research and Techniques in Astronomy Communication

    Nov 2 - Nov 6
    Tokyo, Japan
    IAU Symposium: IAUS409 - A Journey Towards Effective Astronomy Communication; online and at National Astronomical Observatory of Japan, 2-21-2 Osawa...
  • Wed 4

    8th Summit for Space Sustainability

    Nov 4 - Nov 5
    Brasília, Brazil
    At the National Museum of the Republic, the first SWF Summit in Latin America.
  • Mon 9

    Space & Satellites USA 2026

    Nov 9 - Nov 10
    Washington DC, USA
    Expecting senior government and executives from NASA, Firefly, Blue Origin to discuss innovation, competitive advantages and a "space industrial revolution...
    US$849
  • Fri 13

    Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment (CAPSTONE) Begins Next Year in Space

    Nov 13
    Near-Rectilinear Halo Orbit / Cislunar Space
    NASA 12-U CubeSat Capstone acting as a pathfinder for planned International Lunar Gateway surpasses another year around Moon today; launched...
  • Mon 16

    Space Simulation Conference

    Nov 16 - Nov 19
    Annapolis, Maryland
    Major international forum in space hardware environmental testing for research and development and qualification. It provides a unique opportunity for...
  • Tue 17

    Space Tech Expo Europe 2026

    Nov 17 - Nov 19
    Bremen, Germany
    Leading event in Europe for space engineering, innovation, and the end-to-end supply chain.
  • Wed 18

    Indo Aerospace Expo & Forum 2026

    Nov 18 - Nov 21
    Jakarta, Indonesia
    At the Jakarta International Expo (JIExpo) Kemayoran. This event represents one of Southeast Asia’s most significant aerospace gatherings, connecting industry...
  • Fri 20

    22nd Anniversary of Swift Spacecraft Launch

    Nov 20
    Low Earth Orbit (LEO)
    Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of...
  • Sun 22

    IAU Symposium 411: Star Clusters as Guides to Galaxies – Synergies and New Developments from Upcoming Surveys.

    Nov 22 - Nov 27
    San Carlos de Bariloche, Argentina
    Coordinating Division Division J Galaxies and Cosmology
  • Sun 22

    IAU Symposium 410: New look at Solar and Stellar Coronae

    Nov 22 - Nov 27
    Shenzhen, China
    Coordinating Division Division E Sun and Heliosphere
  • Mon 23

    IAU Symposium 412: Hub Filament Structures in Star Formation

    Nov 23 - Nov 27
    Mysuru, Karnataka, India
    Coordinating Division Division H Interstellar Matter and Local Universe
  • Tue 24

    Beaver / Super Moon

    Nov 24
    Moon Orbit
    14:54 UTC (04:54 HST).
  • Tue 24

    Global Network on Sustainability in Space (GNOSIS26)

    Nov 24 - Nov 25
    Online
    GNOSIS promotes, coordinates and develops collaboration across the academic, defence, industrial and political sectors to understand and solve problems relating to the...
  • Wed 25

    Ground Control #9 at Mesh Youngstorget

    Nov 25
    Oslo, Norway
    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required....
  • Mon 30

    LARIM2026: Latin-America Regional IAU Meeting

    Nov 30 - Dec 4
    Cancún, Quintana Roo, Mexico
    Held every 3 years, targeted to professional astronomers, postdocs, postgraduate and undergraduate students pursuing a research career in Astronomy. As...
    $260 – $450
  • December 2026

  • Tue 1

    Earthlight Foundation New Worlds Faire and Space Cowboy Ball

    Dec 1 - Dec 3
    Austin TX, USA
    Addition of a display and market area to the annual gathering that culminates in the Space Cowboy Ball charity event...
  • Tue 1

    NET Dec — Launch Atlas V / Starliner-1

    Dec 1
    SLC-41 (~28°N), Cape Canaveral SFS FL, USA
    First launch of the Starliner crew vehicle to the International Space Station carrying only cargo for the orbital laboratory; will...
  • Tue 1

    6th Anniversary of Chang’E-5 Landing on Moon

    Dec 1
    Statio Tianchuan, 43° N 51.9° W, Moon Surface
    China National Space Administration (CNSA) Chang'E-5 lander at Statio Tianchuan "ship sailing in the Milky Way", Mons Rümker, Oceanus Procellarum,...
  • Tue 1

    NET Dec — Launch Starship / Venturi Astrolab FLEX C

    Dec 1
    Starbase, 25.9°N, Boca Chica TX, USA
    SpaceX to launch Starship with Venturi Astrolab FLEX C rover from Starbase, Boca Chica TX. Flexible Logistics and Exploration (FLEX-C)...
  • Tue 1

    NET Dec — Launch LVM-3 (Launch Vehicle Mark-3) / Gaganyaan G3

    Dec 1
    Satish Dhawan Space Center, ~14°N, Sriharikota, India
    Third uncrewed test flight for Gaganyaan orbital mission hoped to be launched before end of 2026.
  • Wed 2

    31st Anniversary of Solar and Heliospheric Observatory (SOHO) Launch

    Dec 2
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations...
  • Wed 2

    2nd European Interstellar Symposium

    Dec 2 - Dec 4
    Venice, Italy
    Hosted by The Venetian Institute of Sciences, Letters and Arts in association with The Interstellar Research Group, the world’s experts...
  • Thu 3

    12th Anniversary of Hayabusa 2 Launch

    Dec 3
    Asteroid 98943 Torifune Trajectory
    Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to...
  • Thu 3

    AIAA Region VII Student Conference

    Dec 3 - Dec 4
    Adelaide, Australia
    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given...
  • Mon 7

    AGU 2026 Annual Meeting: Where Science Connects

    Dec 7 - Dec 11
    San Francisco CA, USA
    The largest gathering of Earth and space scientists, convening 20,000+ attendees from 100+ countries to share research, connect, collaborate, and...
  • Wed 9

    Ground Control #10 at Mesh Youngstorget

    Dec 9
    Oslo, Norway
    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required....
  • Thu 10

    27th Anniversary of XMM-Newton Launch

    Dec 10
    Low Earth Orbit (LEO)
    European Space Agency (ESA) craft in Very Eccentric Elliptical LEO studying X-ray emissions, star-forming regions, galaxy clusters, environment of supermassive black...
  • Mon 14

    13th Anniversary of Chang’E-3 Landing on Moon

    Dec 14
    Guang Han Gong, 44.12°N 19.51°W, Moon Surface
    China National Space Administration (CNSA) spacecraft at Guang Han Gong "Moon Palace", Sinus Iridum / Mare Imbrium, 44.12°N 19.51°W, surpasses...
  • Mon 14

    17th Anniversary of WISE / NEOWISE Launch

    Dec 14
    Low Earth Orbit (LEO)
    NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched...
  • Wed 16

    4th Anniversary of Korean Pathfinder Lunar Orbiter ‘Danuri’ Entering Moon Orbit

    Dec 16
    Moon Orbit
    Surpassing 4th full year / entering 5th year in lunar orbit, Korea Aerospace Research Institute (KARI) first lunar spacecraft Danuri...
  • Wed 16

    GEGSLA 16th Operational Meeting

    Dec 16
    Online
    Global Experts Group on Sustainable Lunar Activities continues discussions on ongoing workstreams and priorities related to the sustainable exploration and...
  • Sat 19

    13th Anniversary of Gaia Spacecraft Launch

    Dec 19
    Sun-Earth L2 Lagrange point
    ESA spacecraft surpasses another full year in space today; now in extended mission phase working to map more than 1...
  • Mon 21

    December Solstice

    Dec 21
    Worldwide
    10:49 HST (00:49 UTC); the Sun reaches the point where it is farthest South of the celestial equator, marking the...
  • Wed 23

    Cold Moon

    Dec 23
    Moon Orbit
    25:29 HST //  01:29 UTC on Dec 24.
  • Fri 25

    23rd Anniversary of Mars Express Entering Mars Orbit

    Dec 25
    Mars Orbit
    ESA spacecraft surpasses next full year in Mars orbit today; will continue to study Mars atmosphere & climate, planet structure,...
  • Fri 25

    5ht Anniversary of James Webb Space Telescope Launch

    Dec 25
    Sun-Earth L2 Lagrange point
    NASA (STSci) / ESA / CSA-ASC infrared astronomy telescope surpasses next full year in space since launching on this day...
  • January 2027

  • Fri 1

    NET 2027 — Launch Neutron / NZSA Venus Mission 

    January 1, 2027
    Rocket Lab LC-3, ~38°N, Wallops Island VA, USA
    Independent mission to Venus developed by Rocket Lab and MIT, NZSA Venus Mission is a small direct Venus entry probe with...
  • Fri 1

    NET 2027 — Launch Falcon Heavy / Astrobotic Griffin Lander Mission 2

    January 1, 2027
    TBD
    NET 2027 — Launch Falcon Heavy / Astrobotic Griffin Lander Mission 2: Astrobotic Griffin planned to carry satellites to cislunar...
  • Fri 1

    NET Q1 — Launch Falcon 9 Block 5 / Haven-1

    January 1, 2027
    Cape Canaveral SFS FL, USA
    NET Q1 2027 — First commercial space station, built by Vast Space, planned for insertion into LEO.
  • Fri 1

    NET Jan — Launch Ariane 6-2 / PLAnetary Transits and Oscillations of stars (PLATO)

    January 1, 2027
    Guiana Space Centre Kourou, French Guiana
    ESA plans to launch Ariane 6-2 with PLAnetary Transits and Oscillations of stars (PLATO) spacecraft with array of 26 cameras to...
  • Fri 1

    NET 2027 — Launch Luna-26

    January 1, 2027
    Vostochny Cosmodrome, ~52°N, Russia
    NET 2027 — Roscosmos State Corporation, Launch Luna-26, Vostochny Cosmodrome, Russia: Roscosmos hopes to launch the Luna-Resurs O (Luna-Resurs Orbiter) to...
  • Fri 1

    NET 2027 — Launch Long March 5 / Xuntian Telescope

    January 1, 2027
    Wenchang Space Launch Center, ~19°N, Hainan Island, China
    NET 2027 — CNSA to launch Long March 5 with Xuntian space telescope from Wenchang Space Launch Center, Hainan Island,...
  • Fri 1

    NET 2027 — Launch Vehicle Mark-3 (LVM3) / Chandrayaan-4

    January 1, 2027
    Satish Dhawan Space Center, ~14°N, Sriharikota, India
    NET 2027 — ISRO to launch its Launch Vehicle Mark-3 (LVM3) with Chandrayaan-4 lunar lander from Satish Dhawan Space Center,...
  • Fri 1

    NET 2027 — Launch Falcon 9 / APEX 1.0 Lunar Lander Mission 1,

    January 1, 2027
    SLC-39A, ~29°N, Kennedy Space Center FL, USA
    SpaceX to launch Falcon 9 with APEX 1.0 Lunar Lander Mission 1. Lunar lander built by ispace, Draper (mission lead) and...
  • Fri 1

    NET Q1 2027 – Launch LVM-3 (Launch Vehicle Mark-3) / Gaganyaan G4

    January 1, 2027
    Satish Dhawan Space Center, ~14°N, Sriharikota, India
    First crewed test flight to an orbit of 400 km of the Gaganyaan programme, with launch planned for NET Q1...
  • Sun 3

    8th Anniversary of Chang’E-4 Lander and Yutu-2 Rover Landing on Moon Far Side

    January 3, 2027
    Statio Tianhe (Milky Way Base), 45.44°S 177.59°E, Moon Surface
    Spacecraft reach 8 full years / enter 9th year on Moon far side, landed 2019 -the first farside landing ever.
  • Sun 10

    249th Meeting of the AAS

    January 10, 2027 - January 14, 2027
    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States
    At Salt Palace Convention Center.
  • Mon 11

    2027 AIAA SciTech Forum

    January 11, 2027 - January 15, 2027
    Orlando FL, USA
    AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace....
  • Tue 19

    Smart Lander for Investigating Moon (SLIM), 3rd Observation of Moon Landing

    January 19, 2027
    Shioli Crater, 13.31°S 25.25°E, Moon Surface
    Third annual observation of JAXA lunar landing Moon near side equatorial region in 2024 and Japan becoming 5th country to...
  • Wed 27

    Apollo 1, 60th Observation

    January 27, 2027
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch...
  • Thu 28

    Challenger STS-51L, 41st Observation

    January 28, 2027
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle...
  • Sun 31

    Explorer 1, 69th Observation

    January 31, 2027
    Nationwide USA
    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for...
  • February 2027

  • Mon 1

    Columbia STS-107, 24th Observation

    February 1, 2027
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003:...
  • Sat 6

    Lunar New Year

    February 6, 2027
    China (Zhongguo) / Worldwide
    Lunar New Year 2027 Spring Festival marks the Year of the Goat.
  • Tue 9

    6th Anniversary of Hope Orbiter Entering in Mars Orbit

    February 9, 2027
    Mars Orbit
    UAE Hope Orbiter, studying Mars atmosphere and climate, reaches 6 full years in Mars orbit today; launched July 19, 2020...
  • Wed 10

    6th Anniversary of Tianwen-1 Orbiter Entering Mars Orbit

    February 10, 2027
    Mars Orbit
    China Tianwen-1 orbiter reaches 6 full years of operations in Mars orbit; Lander & Rover touched down ~3 months after...
  • Thu 18

    5th Anniversary of Mars Perseverance Rover Landing on Mars

    February 18, 2027
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years on Mars surface having landed in Jezero Crater on this day in...
  • Mon 22

    Intuitive Machines IM-1 Mission, Moon Landing Observation (3rd Year)

    February 22, 2027
    Near Malapert A Crater, 80.13°S 1.44°E, Moon Surface
    Third annual observation of 1st successful commercial lunar landing on Moon by Intuitive Machines and its IM-1 Nova-C Lander "Odysseus"....
  • March 2027

  • Mon 1

    241st Galactic Tick Day

    March 1, 2027
    Highlighting Galaxy awareness by celebrating the Solar System traveling around Milky Way Galaxy Center every ~225 million Earth years, one...
  • Mon 1

    NET March 2027 / NLT June 2027 — Launch SLS / Orion for Artemis 3 – Human Moon Landing Precursor

    March 1, 2027
    SLC-39B, ~29°N, Kennedy Space Center FL, USA
    Crew of 4 to Low Earth Orbit to test docking of Orion craft with separately launched prototype lunar landing systems...
  • Wed 3

    13th Annual Space Traffic Conference

    March 3, 2027 - March 4, 2027
    TBD
    With theme "Turning Conjunctions Into Coordination". Abstracts of up to 500 words will be accepted and must include the precise...
  • Mon 15

    58th Lunar and Planetary Science Conference (LPSC)

    March 15, 2027 - March 19, 2027
    Online
    LPSC is a defining event in planetary research, bringing together a diverse group of international experts in a truly collaborative...
  • Tue 16

    AIAA Defense Forum 2027

    March 16, 2027 - March 19, 2027
    Laurel MD, USA
    17 Disciplines addressed include Space Access and Space Systems.
  • April 2027

  • Sat 10

    Pōwehi Day

    April 10, 2027
    Statewide Hawai’i, USA
    Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian...
  • Mon 12

    66th Commemoration of Human Spaceflight / Cosmonautics Day

    April 12, 2027
    Worldwide
    Celebrating Yuri Gagarin, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes...
  • Mon 12

    Yuri’s Night Celebrations

    April 12, 2027
    Worldwide
    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first...
  • Mon 12

    42nd Space Symposium

    April 12, 2027 - April 15, 2027
    Colorado Springs CO, USA
    Theme: TBA. Expecting 10,000+ registrants, 240+ exhibitors, 24 space agencies, 1500+ organizations. Access to specific Track Programming ONLY available at...
  • Sun 18

    9th Anniversary of Transiting Exoplanet Survey Satellite (TESS) Launch

    April 18, 2027
    High Earth Orbit (HEO)
    Space telescope for NASA Explorers program, reaches 9th full year in space today, designed to search for exoplanets using the...
  • Sat 24

    Tianwen-2 Departs Kamo’oalewa (2016 HO3)

    April 24, 2027
    Earth Trajectory
    China Tianwen-2 asteroid sample return mission planned to depart Kamo’oalewa (2016 HO3) today and return to Earth with least 100...
  • Sat 24

    National Day of Space Flight

    April 24, 2027
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.
  • Sat 24

    37th Anniversary of Hubble Space Telescope Launched

    April 24, 2027
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 38th year in space today, launched Apr 24, 1990; could continue operations...
  • May 2027

  • Fri 7

    International Space Day

    May 7, 2027
    Worldwide
    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space...
  • Tue 18

    ASCEND 2027: Accelerating Space Commerce, Exploration and New Discovery

    May 18, 2027 - May 20, 2027
    Washington DC, USA
    KEY THEMES ARE: Advancing human spaceflight and microgravity research, Enabling sustainable cislunar and lunar exploration, Defining the Moon-to-Mars pathway and...
  • Fri 21

    9th Anniversary of Chang’E-4 Queqiao Relay Satellite Launch

    May 21, 2027
    Earth-Moon L2 Lagrange point
    China Queqiao “bridge of magpies” satellite reaches 9 full years in space today, launched 2018 to provide far side communications...
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Established in 1976, Space Age Publishing Company operates its Hawaiʻi (1988) and California offices. Space Age publishes Space Calendar weekly since 1983 and Lunar Enterprise Daily, and pursues a business plan consistent with establishing a third office on the Moon.

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For a limited time you can send your name & message to the lunar surface on the ILOA ILO-1 mission in 2027-2028.

ILO-1 will be mounted on the Astrolab FLEX rover lightbar, and operate on the Moon for 1+ years — broadcasting Space Calendar and messages back to Earth along with near real-time images of the celestial sky and the Moon, on a weekly basis.

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