• Wednesday

    — SpaceX,
    SLC-39A, Kennedy Space Center FL, ~29°N, USA
    NET Q3 — Under US$77.5M NASA CLPS contract, IM 3rd mission using Nova-C, to Reiner Gamma ‘lunar swirl’ 7.5°N, 59.0°W with 4 NASA payloads: Lunar Vertex, CADRE, MoonLIGHT retroreflector, LUSEM; various private payloads.

    Saturday

    — China National Space Administration (CNSA),
    Near-Earth Object (NEO)
    China asteroid sample return mission, to arrive at Kamo’oalewa today to collect at least 100 grams via anchoring-drilling, hover-sampling and touch-and-go techniques; planned to depart Apr 24,...

    Sunday

    — Space Age Publishing Company (SPC),
    Global / Inter-Global
    Jul 5 — Space Age Publishing Company (SPC), Global / Inter-Global: SPC, publisher of Space Calendar and Lunar Enterprise Daily, observes 50 years since inception and looks towards the next 50 years of...
    — International Astronomical Union (IAU), International Society for the Study of the Origins of Life - The International Astrobiology Society (ISSOL),
    Paris, France
    Those in fields of chemistry, biology, planetary science and astrophysics are invited to explore the origins of life and habitability on Earth and beyond. The program will...

    Monday

    — Sun-Earth,
    Global / Inter-Global
    Occurs 07:30 HST / 17:30 UTC; Earth aphelion is the point in its elliptical orbit where it is farthest from the Sun, occurring annually in early July;...

    Saturday

    — International Lunar Observatory Association (ILOA Hawai'i), Space Age Publishing Company (SPC),
    Mountain View CA, USA
    At Computer History Museum with stellar participants from ILOA, IRG, SETI, NASA and more. 5 session themes: 21st Century Solar System Complete Exploration, Funding the Dream, Deep...

    Friday

    Monday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 50 years ago; originally scheduled for July 4, landing was delayed until this...
    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...
    — Purdue University,
    West Lafayette, Indiana
    Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space in the preceding decade are deemed the...
    — Moon Village Association (MVA),
    Global / Inter-Global
    Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations...

    Tuesday

    — National Aeronautics and Space Administration (NASA), Solar System Exploration Research Virtual Institute (SSERVI),
    Moffett Field, Santa Clara County CA, USA
    Hosted by SSERVI Central Team at NASA Ames Research Center, Moffett Field CA, USA; online option available. The Forum will feature in-depth analyses of research targeting human...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 27th full year / begins 28th year of operations in space; instruments able to detect X-ray sources 100 times fainter...
  • Saturday

    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)
    NET Aug — CNSA to launch CE-7 mission which is planned to land at Moon South Pole to survey environment and resources with Relay Satellite, Orbiter, Lander...

    Sunday

    — Asia Oceania Geosciences Society (AOGS),
    Fukuoka, Japan
    From 02 to 07 August 2026, a few thousand geoscientists across diverse disciplines will gather at the 23rd annual meeting of the Asia Oceania Geosciences Society at the...

    Wednesday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Monday

    Thursday

    — Indian Space Research Organisation (ISRO),
    Moon Orbit
    India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover were unsuccessful in lunar landing.

    Sunday

    — Indian Space Research Organisation (ISRO),
    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 country to land on Moon, and 1st...
    — Small Satellite Conference, others,
    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 vision and collaboration have propelled the industry...
    $1000

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Tuesday

    Sunday

    Monday

    Monday

    — Greater San Antonio Chamber of Commerce,
    San Antonio TX, USA
    Highlighting the role of Texas in the commercial space economy, innovators, investors, contractors and NASA reps will participate in immersive exhibits including lunar bases, launch systems, and...

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Worldwide
    Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022, shortening...

    Monday

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

    Sunday

    — World Space Week Association,
    Worldwide
    Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union...

    Monday

    Wednesday

    Saturday

    — International Observe the Moon Night Organization,
    Worldwide
    For observation, appreciation, understanding of the Moon / its connection to planetary science / exploration; 1st quarter Moon is best time due to shallow angle of sunlight...

    Monday

    — National Aeronautics and Space Administration (NASA), Roscosmos State Corporation,
    Mars Orbit
    European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on atmosphere, deployed Schiaparelli demonstration lander 19 Oct...

    Tuesday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Sunday

    Monday

  • Sunday

    — China National Space Administration (CNSA),
    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 environment and resources with Relay Satellite, Orbiter,...

    Monday

    — International Astronomical Union (IAU), National Astronomical Observatory of Japan (NAOJ),
    Tokyo, Japan
    Coordinating Division Division C Education, Outreach and Heritage The IAU Symposium on Innovative Research and Techniques in Astronomy Communication will take place from November 2 to 6,...

    Friday

    Friday

    — National Aeronautics and Space Administration (NASA),
    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 operations in space today, launched in 2004.

    Sunday

    Monday

  • Tuesday

    — SpaceX,
    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) rover to launch to Moon South Pole...
    — China National Space Administration (CNSA),
    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, Moon (43° N, 51.9° W), surpasses another full...

    Wednesday

    — European Space Agency (ESA), National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...

    Thursday

    — Japan Aerospace Exploration Agency (JAXA),
    Asteroid 98943 Torifune Trajectory
    Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to Earth in 2020, and now in extended...

    Monday

    — American Geophysical Union (AGU),
    San Francisco CA, USA
    Save the date for future Annual Meetings: December 7-11, 2026 | San Francisco December 13-17, 2027 | Washington, D.C. December 11-15, 2028 | San Diego

    Thursday

    — European Space Agency (ESA),
    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 holes, mapping dark matter, surpasses next full...

    Monday

    — China National Space Administration (CNSA),
    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 another full year on Moon surface, landed...
    — National Aeronautics and Space Administration (NASA),
    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 2009, went into hibernation February 17, 2011...

    Wednesday

    Saturday

    — European Space Agency (ESA),
    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 billion stars; launched in 2013.

    Friday

    — National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC),
    Sun-Earth L2 Lagrange point
    NASA (STSci) / ESA / CSA-ASC infrared astronomy telescope surpasses next full year in space since launching on this day via Ariane 5 ECA rocket in 2021.
    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    ESA spacecraft surpasses next full year in Mars orbit today; will continue to study Mars atmosphere & climate, planet structure, mineralogy, geology, and to search for traces...
  • Friday

    — Roscosmos State Corporation,
    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 Moon polar orbit with 14 instruments for...
    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)
    NET 2027 — CNSA to launch Long March 5 with Xuntian space telescope from Wenchang Space Launch Center, Hainan Island, China (19° N), China: Launch of Xuntian (Space...
    — Indian Space Research Organisation (ISRO),
    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, Sriharikota, India: Planned launch of Chandrayaan-4 mission for Moon...

    Sunday

    Sunday

    — American Astronomical Society (AAS),
    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States
    At Salt Palace Convention Center.

    Monday

    — American Institute of Aeronautics and Astronautics (AIAA),
    Hyatt Regency Orlando Orlando, FL, United States
    AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace.

    Tuesday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch pad test: Command Pilot Virgil “Gus” Grissom,...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle accident 28 January 1986: Commander Francis R....

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for life ongoing, and Interstellar craft on outgoing...
  • Monday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003: Commander Richard D. Husband, Mission Specialist Laurel...
    — China National Space Administration (CNSA),
    Mars Orbit
    China Tianwen-1 orbiter reaches 6 full years / begins 7th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at...

    Saturday

    — Lunar Calendar,
    China (Zhongguo) / Worldwide
    Lunar New Year 2027 Spring Festival marks the Year of the Goat.

    Tuesday

    — United Arab Emirates Space Agency (UAESA),
    Mars Orbit
    UAE Hope Orbiter, studying Mars atmosphere and climate, reaches 6 full years / enters 7th year in Mars orbit today; launched July 19, 2020 on JAXA H2A...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years / enters 6th year on Mars surface having landed in Jezero Crater on this day in 2021; it carried...

    Monday

    — Intuitive Machines (IM),
    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". This mission also marks the USA first...
  • Monday

    — Milky Way Galaxy,
    Highlighting Galaxy awareness by celebrating the Solar System traveling around Milky Way Galaxy Center every ~225 million Earth years, one Galactic Tick happens every 633.7 days; first...
  • Saturday

    — Hawai'i, USA,
    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 name Pōwehi; imaged in April 2017 and...

    Monday

    — Yuri's Night,
    Worldwide
    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first human to venture into space on April...

    Sunday

    Saturday

    — China National Space Administration (CNSA),
    Earth Trajectory
    China Tianwen-2 asteroid sample return mission planned to depart Kamo’oalewa (2016 HO3) today and return to Earth with least 100 grams of sample, to enter Earth atmosphere...
    — National Aeronautics and Space Administration (NASA),
    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 until 2040s.
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.
  • Friday

    — International Space Day,
    Worldwide
    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’...

    Friday

    — China National Space Administration (CNSA),
    Earth-Moon L2 Lagrange point
    China Queqiao “bridge of magpies” satellite reaches 9 full years / enters 10th year in space today, launched 2018 to provide far side communications to Earth from...

    Tuesday

    — USA Congress,
    Nationwide USA
    NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized for Kennedy declaring to congress “I believe that...
  • Saturday

    Sunday

    — Lunar Calendar,
    Worldwide
    New Year 1 Muharram (1st day) to begin at sunset on Jun 6; if young New Moon is not visible the beginning of the month and year...

    Sunday

    Wednesday

    Sunday

  • Thursday

    Saturday

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 51 years ago; originally scheduled for July 4, landing was delayed until this...
    — Moon Village Association (MVA),
    Global / Inter-Global
    Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations...
    — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global
    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin;...

    Friday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 28th full year / begins 29th year of operations in space; instruments able to detect X-ray sources 100 times fainter...
  • Tuesday

    — International Astronomical Union (IAU),
    Rome, Italy
    International Astronomical Union will post a dedicated website "soon". The General Assembly is held every 3 years for astronomers worldwide and includes scientific sessions and administrative business.

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 1,000 km of 64-km diameter 3548 Eurybates asteroid and its 1-km...
    — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit
    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which...

    Sunday

    — Small Satellite Conference, others,
    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States
    Annual Small Satellite Conference spotlights technologies driving constellation success.
    $1000

    Friday

    — Indian Space Research Organisation (ISRO),
    Moon Orbit
    India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover were unsuccessful in lunar landing.

    Monday

    — Indian Space Research Organisation (ISRO),
    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 country to land on Moon, and 1st...

    Monday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.
  • Wednesday

    Monday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 415 km of 21-km diameter 15094 Polymele asteroid which may be...

    Sunday

    Tuesday

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Worldwide
    Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022, shortening...

    Monday

    — International Astronautical Federation (IAF),
    Poznań, Poland
    Expects ~10,000 participants for event themed One Space. Shared Future. Co-events include Space Generation Congress, September 23-25; UN / IAF Workshop, September 24-26; IAA Academy Day and...

    Tuesday

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

    — SpaceX,
    SLC-39A, Kennedy Space Center FL, ~29°N, USA
    NET Oct  — Under US$116.9M NASA CLPS award, Intuitive Machines 4th mission to deliver 6 NASA payloads totaling ~79 kg, including carry ESA Lunar ice drill ProSEED / PROSPECT sensor array, magnetometer,...

    Monday

    — World Space Week Association,
    Worldwide
    Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union...

    Thursday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4
    NASA craft reaches 6 full years in Space, about mid-way through planned 12-year mission to encounter 11 different asteroids.

    Sunday

    Tuesday

    — European Space Agency (ESA), Roscosmos State Corporation,
    Mars Orbit
    European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on atmosphere, deployed Schiaparelli demonstration lander 19 Oct...

    Wednesday

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Tuesday

  • Tuesday

    Saturday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    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 operations in space today, launched in 2004.

    Monday

  • Wednesday

    — China National Space Administration (CNSA),
    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, Moon (43° N, 51.9° W), surpasses another full...
    — Japan Aerospace Exploration Agency (JAXA),
    Earth Trajectory
    ☆ NET Dec — JAXA Hayabusa 2 mission to perform first flyby Earth today on way to rendezvous with asteroid 1998 KY26 in 2031, after returning samples...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...

    Friday

    — Japan Aerospace Exploration Agency (JAXA),
    Asteroid 98943 Torifune Trajectory
    Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to Earth in 2020, and now in extended...

    Friday

    — European Space Agency (ESA),
    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 holes, mapping dark matter, surpasses next full...

    Monday

    — American Geophysical Union (AGU),
    Washington DC, USA
    Save the date for future Annual Meetings: December 13-17, 2027 | Washington, D.C. December 11-15, 2028 | San Diego

    Tuesday

    — China National Space Administration (CNSA),
    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 another full year on Moon surface, landed...
    — National Aeronautics and Space Administration (NASA),
    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 2009, went into hibernation February 17, 2011...