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Today

    • Tuesday

    • Tuesday

    Saturday

    Saturday

     — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    Swift Spacecraft Begins Next Year in Space

    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

     — Japan Aerospace Exploration Agency (JAXA),
    Earth Trajectory

    NET Dec — Hayabusa 2, First Earth Flyby

    ☆ 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...
    — China National Space Administration (CNSA),
    Statio Tianchuan, 43° N 51.9° W, Moon Surface

    Chang’E-5 Begins Next Year on Moon

    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...

    Thursday

     — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    Solar and Heliospheric Observatory (SOHO) Begins Next Year in Space

    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

    Hayabusa 2 Begins Next Year in Space

    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)

    XMM-Newton Begins Next Year in Space

    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

    AGU 2027 Annual Meeting

    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

    Chang’E-3 Lander Begins Next Year on Moon

    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)

    WISE / NEOWISE Begins Next Year in Space

    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...

    Thursday

    Sunday

     — European Space Agency (ESA),
    Sun-Earth L2 Lagrange point

    Gaia Spacecraft Begins Next Year in Space

    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.

    Saturday

     — European Space Agency (ESA),
    Mars Orbit

    Mars Express Begins Next Year in 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...

    • Saturday

     — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)

    NET 2028 — Launch Tianwen-3 Mars Sample Return Mission

    NET 2028 — China expects to launch Tianwen-3 Mars Sample Return Mission to Mars by this date, to deliver samples to Earth by 2031; focus is on...
    — Roscosmos State Corporation,
    Vostochny Cosmodrome, ~52°N, Russia

    NET 2028 — Launch Angara A5 / Luna-27

    NET 2028 — Roscosmos planning to launch Angara A5 with Luna-27 (Luna-Resurs 1) lander to Moon South Pole to target frozen volatiles in sub surface.
    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)

    NET 2028 — Launch Long March 10 / Human Moon Flyby

    NET 2028 — Tentative date for China's first crewed lunar flyby using super-heavy lift Long March 10 rocket and crew spacecraft Mengzhou, while continuing to develop the...
    — SpaceX,
    Starbase, 25.9°N, Boca Chica TX, USA

    NET 2028 — Launch Starship / Venturi Astrolab FLEX LTV

    SpaceX to launch Starship with Venturi Astrolab FLEX LTV from Starbase, Boca Chica TX. Under NASA Lunar Terrain Vehicle (LTV) Services contract, and carrying commercial payloads, Astrolab...

    Monday

     — American Institute of Aeronautics and Astronautics (AIAA),
    Hyatt Regency Orlando Orlando, FL, United States

    2028 AIAA SciTech Forum

    AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace.

    Wednesday

     — Lunar Calendar,
    China (Zhongguo) / Worldwide

    Lunar New Year

    Lunar New Year 2028 Spring Festival marks the Year of the Monkey.

    Thursday

     — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Apollo 1, 61st Observation

    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,...

    Friday

     — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Challenger STS-51L, 42nd Observation

    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....

    Monday

     — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Explorer 1, 70th Observation

    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...

    • Tuesday

     — China National Space Administration (CNSA),
    Mars Orbit

    Tianwen-1 Orbiter Begins Next Year in Mars Orbit

    China Tianwen-1 orbiter reaches 7 full years / begins 8th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Columbia STS-107, 25th Observation

    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...

    Tuesday

     — Intuitive Machines (IM),
    Near Malapert A Crater, 80.13° S 1.44°E, Moon Surface

    Intuitive Machines IM-1 Mission, Moon Landing Observation (4th Year)

    Fourth 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...

    • Wednesday

     — Indian Space Research Organisation (ISRO),
    Satish Dhawan Space Center, ~14°N, Sriharikota, India

    Launch Vehicle Mark-3 (LVM3) / Shukrayaan-1 Mission

    India planning to launch its first mission, Shukrayaan-1, to Venus to study the surface and atmosphere of Venus; planned to enter Venusian orbit 19 July 2028.

    • Saturday

     — ESA / JAXA,
    Mercury Orbit

    NET Apr — End of Nominal Mission for BepiColombo

    NET Apr — European Space Agency / JAXA Mercury Magnetospheric Orbiter (BepiColombo) nominal mission ends this month, 5.82 Mercury years after orbit insertion; potential extended mission and...

    Monday

     — Hawai'i, USA,
    Statewide Hawai’i, USA

    Pōwehi Day

    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...

    Wednesday

     — Yuri's Night,
    Worldwide

    Yuri’s Night Celebrations

    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...

    Tuesday

     — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4

    Lucy Spacecraft to Fly By Asteroid 11351 Leucus

    NASA's Lucy mission, to encounter 11 asteroids including a main belt and 7 Jupiter Trojans, planned to come within 1,000 km of 34-km diameter 11351 Leucus asteroid...

    Monday

     — China National Space Administration (CNSA),
    China (Zhongguo)

    National Day of Space Flight

    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.
    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    Hubble Space Telescope Begins Next Year in Space

    NASA spacecraft with 2.4-meter diameter main telescope begins 39th year in space today, launched Apr 24, 1990; could continue operations until 2040s.

    • Friday

     — International Space Day,
    Worldwide

    International Space Day

    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’...

    Thursday

     — USA Congress,
    Nationwide USA

    John F. Kennedy 1st Moon Speech

    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...

    • Thursday

     — Japan Aerospace Exploration Agency (JAXA),
    Earth Trajectory

    NET Jun — Hayabusa 2, Second Earth Flyby

    ☆ NET Jun — JAXA Hayabusa 2 mission to perform second flyby Earth today on way to rendezvous with asteroid 1998 KY26 in 2031, after returning samples...

    Monday

    Sunday

     — American Astronomical Society (AAS),
    Madison WI, USA

    252nd Meeting of the AAS

    At Monona Terrace.

    Friday

    Tuesday

    • Saturday

     — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)

    NET Q3 2028 — Launch Long March 5 / Chang’E-8

    NET Q3 2028 — Chang'E-8 planned to land at Moon South Pole with 10 international projects to conduct in-situ resource utilization experiments; mission includes lander, Pakistan SUPARCO...

    Monday

    Thursday

     — Moon Village Association (MVA),
    Global / Inter-Global

    International Moon Day (Annual)

    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

    Apollo 11, 59th Observation

    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;...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Viking 1 Mars Lander 52nd Landing Observation Anniversary

    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 52 years ago; originally scheduled for July 4, landing was delayed until this...

    • Tuesday

    Saturday

     — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit

    Parker Solar Probe Begins Next Year in Space

    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

    42nd Annual Small Satellite Conference

    $1000

    Wednesday

     — Indian Space Research Organisation (ISRO),
    Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface

    Chandrayaan-3 Commemorated for Moon Landing (2023)

    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...

    Wednesday

     — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    Van Allen Probes Mark Another Year in Space

    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.

    • Friday

     — National Aeronautics and Space Administration (NASA), SpaceX,
    SLC-39B, Kennedy Space Center FL, ~29°N, USA

    NET Sep — Launch Space Launch System (SLS) / Orion for Artemis 4

    NET Sep — NASA Artemis 4th flight (3rd crewed mission) lasting 30 days, planned to send 4 Astronauts to the Lunar Gateway to install the I-Hab module,...

    Wednesday

    Thursday

    Tuesday

     — National Aeronautics and Space Administration (NASA),
    Worldwide

    Double Asteroid Redirection Test (DART) Anniversary Observation

    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...

    Thursday

     — Indian Space Research Organisation (ISRO),
    Low Earth Orbit (LEO)

    Astrosat Begins Next Year in Space

    Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.

    • Sunday

    Wednesday

     — World Space Week Association,
    Worldwide

    World Space Week

    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...

    Tuesday

    Thursday

     — European Space Agency (ESA), Roscosmos State Corporation,
    Mars Orbit

    ExoMars 2016 Orbiter Begins Next Year in 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...

    Friday

    Tuesday

     — National Aeronautics and Space Administration (NASA),
    Mars Orbit

    Mars Odyssey Begins Next Year in 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...

    Thursday

    • Thursday

    Saturday

     — National Aeronautics and Space Administration (NASA),
    Jupiter Greek camp at Lagrangian point L4

    Lucy Spacecraft to Fly by Asteroid 21900 Orus

    NASA Lucy mission, to encounter 11 asteroids including a main belt and 7 Jupiter Trojans, to come within 1,000 km of 51-km diameter 21900 Orus asteroid (which...

    Monday

    Monday

     — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    Swift Spacecraft Begins Next Year in Space

    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.

    Friday

     — Milky Way Galaxy,

    242nd Galactic Tick Day

    ☆ Nov 24 — 242nd Galactic Tick Day, Milky Way Galaxy: Highlighting Galaxy awareness by celebrating the Solar System traveling around Milky Way Galaxy Center every ~225 million Earth...

    • Friday

     — China National Space Administration (CNSA),
    Statio Tianchuan, 43° N 51.9° W, Moon Surface

    Chang’E-5 Begins Next Year on Moon

    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...

    Saturday

     — European Space Agency (ESA), National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    Solar and Heliospheric Observatory (SOHO) Begins Next Year in Space

    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...

    Sunday

     — Japan Aerospace Exploration Agency (JAXA),
    Asteroid 98943 Torifune Trajectory

    Hayabusa 2 Begins Next Year in Space

    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...

    Sunday

     — European Space Agency (ESA),
    Low Earth Orbit (LEO)

    XMM-Newton Begins Next Year in Space

    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),
    San Diego CA, USA

    AGU 2028 Annual Meeting

    Save the date for future Annual Meetings: December 11-15, 2028 | San Diego

    Thursday

     — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    WISE / NEOWISE Begins Next Year in Space

    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...
    — China National Space Administration (CNSA),
    Guang Han Gong, 44.12°N 19.51°W, Moon Surface

    Chang’E-3 Lander Begins Next Year on Moon

    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...

    Tuesday

     — European Space Agency (ESA),
    Sun-Earth L2 Lagrange point

    Gaia Spacecraft Begins Next Year in Space

    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.

    Monday

     — National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC),
    Sun-Earth L2 Lagrange point

    James Webb Space Telescope Begins Next Year in Space

    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.
    — European Space Agency (ESA),
    Mars Orbit

    Mars Express Begins Next Year in 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...

    • Monday

     — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)

    NET 2029 — Launch Long March 10 / Human Moon Landing

    NET 2029 — Tentative date for China's crewed spaceflight program to have first of its multiple human Moon missions to the Moon South Pole region using 2 launches,...
    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)

    NET 2029 — Launch Tianwen-3 to Jupiter

    NET 2029 — China planning to launch its first probe to Jupiter this year with the Tianwen-3.
    — China National Space Administration (CNSA),
    TBD

    NET 2029 — Launch Solar Polar Orbit Observatory

    NET 2029 — Expected launch of CNSA Solar Polar Orbit Observatory spacecraft to enter a high-inclination orbit around the Sun to observe its poles, via a gravity-assist...
    — European Space Agency (ESA),
    Sun-Earth L2 Lagrange point

    NET 2029 — End of Euclid Nominal Mission

    NET 2029 — Scheduled end of European Space Agency Euclid mission which is measuring accelerated expansion of Universe, aiding in understanding of dark energy / dark matter;...
    — Roscosmos State Corporation,
    Vostochny Cosmodrome, ~52°N, Russia

    NET 2029 — Launch Luna-28

    NET 2029 — Roscosmos hoping to launch Launch Luna-28 (Luna-Resurs 2) to the Moon South Pole region for sample return mission.

    Saturday

     — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Apollo 1, 62nd Observation

    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,...

    Sunday

     — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Challenger STS-51L, 43rd Observation

    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....

    • Thursday

     — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Columbia STS-107, 26th Observation

    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...

    Tuesday

     — Lunar Calendar,
    China (Zhongguo) / Worldwide

    Lunar New Year

    Lunar New Year 2029 Spring Festival marks the Year of the Rooster.

    • Sunday

    Tuesday

     — Hawai'i, USA,
    Statewide Hawai’i, USA

    Pōwehi Day

    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...

    Thursday

     — Yuri's Night,
    Worldwide

    Yuri’s Night Celebrations

    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...

    Friday

     — Asteroid 99942 Apophis,
    Medium Earth Orbit (MEO)

    Asteroid 99942 Apophis to Fly by Earth

    On this day, which happens to be a Friday, 370-meter diameter asteroid (previously known as 2004 MN4) will narrowly miss Earth by about 30,000 km, which is...

    Saturday

     — National Aeronautics and Space Administration (NASA),
    Asteroid 99942 Apophis Orbit

    OSIRIS-APEX to Rendezvous with Asteroid 99942 Apophis

    OSIRIS-APophis EXplorer (OSIRIS-APEX) is planned rendezvous with and orbit asteroid Apophis starting today for 9 months following the asteroid’s close Earth approach which occurred April 13, 2029;...

    Tuesday

     — China National Space Administration (CNSA),
    China (Zhongguo)

    National Day of Space Flight

    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

    • Friday

     — International Space Day,
    Worldwide

    International Space Day

    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’...

    • Tuesday

    Wednesday

    • Sunday

     — China National Space Administration (CNSA),
    Deep Space

    NET July — Chang’E-2 to come within 7M km of Earth

    NET July — China Chang’E-2 spacecraft expected to come within 7M km of Earth around this date after reaching 300M km apogee; craft was launched 1 October...

    Tuesday

    Friday

     — National Aeronautics and Space Administration (NASA),
    Global / Inter-Global

    Apollo 11, 60th Observation

    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;...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Viking 1 Mars Lander 53rd Landing Observation Anniversary

    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 53 years ago; originally scheduled for July 4, landing was delayed until this...
    — Moon Village Association (MVA),
    Global / Inter-Global

    International Moon Day (Annual)

    Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations...

    • Sunday

     — National Aeronautics and Space Administration (NASA),
    Heliocentric Orbit

    Parker Solar Probe Begins Next Year in Space

    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...
    — Small Satellite Conference, others,
    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States

    43rd Annual Small Satellite Conference

    $1000

    Thursday

     — Indian Space Research Organisation (ISRO),
    Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface

    Chandrayaan-3 Commemorated for Moon Landing (2023)

    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...

    Thursday

     — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)

    Van Allen Probes Mark Another Year in Space

    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.

    • Thursday

    Friday

     — Indian Space Research Organisation (ISRO),
    Low Earth Orbit (LEO)

    Astrosat Begins Next Year in Space

    Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.

    • Monday

    Thursday

     — World Space Week Association,
    Worldwide

    World Space Week

    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...

    Sunday

    Friday

     — European Space Agency (ESA), Roscosmos State Corporation,
    Mars Orbit

    ExoMars 2016 Orbiter Begins Next Year in 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...

    Saturday

    Wednesday

     — National Aeronautics and Space Administration (NASA),
    Mars Orbit

    Mars Odyssey Begins Next Year in 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...

    Friday

    • Friday

    Tuesday

    Tuesday
    Low Earth Orbit (LEO)

    Swift Spacecraft Begins Next Year in Space

    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.

    • Saturday
    Statio Tianchuan, 43° N 51.9° W, Moon Surface

    Chang’E-5 Begins Next Year on Moon

    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...

    Sunday

    Monday
    Asteroid 98943 Torifune Trajectory

    Hayabusa 2 Begins Next Year in Space

    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
    Low Earth Orbit (LEO)

    XMM-Newton Begins Next Year in Space

    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...

    Friday
    Low Earth Orbit (LEO)

    WISE / NEOWISE Begins Next Year in Space

    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...
    Guang Han Gong, 44.12°N 19.51°W, Moon Surface

    Chang’E-3 Lander Begins Next Year on Moon

    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...

    Wednesday
    Sun-Earth L2 Lagrange point

    Gaia Spacecraft Begins Next Year in Space

    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.

    Tuesday
    Mars Orbit

    Mars Express Begins Next Year in 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...

    • Tuesday

     — Roscosmos State Corporation,
    Vostochny Cosmodrome, ~52°N, Russia

    NET 2030 — Launch Angara A5 / Luna-29

    NET 2030 — Roscosmos hoping to launch Angara A5 with Luna-29 (Luna-Resurs 3) Moon South Pole lander and rover; mission goals / landing site TBD, will support...
    — Roscosmos State Corporation,
    TBD

    NET 2030 — Launch Millimetron (Spektr-M)

    NET 2030 — Russia hopes to launch Millimetron (Spektr-M) space observatory with a diameter of 10 meters to Sun-Earth L2 Lagrange Point to study black holes, formation...

    Wednesday

     — American Astronomical Society (AAS),
    National Harbor MD, USA

    255th Meeting of the AAS

    At Gaylord National Resort & Convention Center.

    • Wednesday
    Statewide Hawai’i, USA

    Pōwehi Day

    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...