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Today

    • 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 ...

    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 ...

    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 ...

    • Friday

    Wednesday

    Thursday

    Tuesday

    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 ...

    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 ...

    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 ...

    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 ...

    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 ...

    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 ...

    • 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, ...

    Saturday

    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 ...

    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 ...

    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 ...
    — 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 ...

    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 ...

    Monday

     — 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, ...
    — 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 ...

    • 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 ...
    — 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.
    — 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 ...
    — Roscosmos State Corporation,
    Vostochny Cosmodrome, 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 ...

    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 ...

    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 ...

    • 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: ...

    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 ...

    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 ...

    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 ...

    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 ...

    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 ...

    • Tuesday

    Wednesday

    • Sunday

    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 ...
    — 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 ...

    • 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 ...
    — 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 ...

    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 ...

    • 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 ...

    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 ...

    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 ...

    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 ...

    • 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, ...

    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 ...

    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 ...

    Friday
    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 ...
    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 ...

    Wednesday

    Tuesday

    • Tuesday

     — Roscosmos State Corporation,
    Vostochny Cosmodrome, 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 ...
    — 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 ...

    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 ...

    Thursday

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

    Europa Clipper to Insert into Jupiter Orbit

    Europa Clipper mission to insert into Jupiter orbit on this day to study Galileo moon Europa through a series of ...

    Friday

     — 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 ...

    Wednesday
    China (Zhongguo)

    National Day of Space Flight

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

    • Friday
    Worldwide

    International Space Day

    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space ...

    Saturday
    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 ...

    • Wednesday

    Thursday

    • Wednesday

    Saturday

     — 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 ...

    • Monday

     — 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 ...

    Friday

     — 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 ...

    Friday

     — 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 ...

    • Friday

    Saturday

    Saturday
    Low Earth Orbit (LEO)

    Astrosat Begins Next in Space

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

    • Monday

    Saturday

    Sunday

    Thursday

    Saturday

    • Wednesday

     — National Aeronautics and Space Administration (NASA),
    Jupiter Trajectory

    Lucy Spacecraft 3rd Earth Flyby (660 km)

    NASA mission to encounter 11 asteroids, including a main belt and 7 Jupiter Trojans, to perform Earth flyby / gravity ...

    • Wednesday

     — Roscosmos State Corporation,
    Vostochny Cosmodrome, Russia

    NET 2031 — Launch Luna-30 Lander

    Roscosmos State Corporation planning to launch Launch Luna-30 lander to deliver a reusable cargo delivery spacecraft with supplies for human ...
    — European Space Agency (ESA),
    Launch Area 4, Guiana Space Centre, French Guiana

    NET 2031 — Launch Ariane 6-4 / Argonaut

    European Space Agency planning to launch the Argonaut Lunar Descent Element -- lunar lander built by Thales Alenia Space to the ...

    • Tuesday

    • Tuesday

     — 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 ...

    Wednesday

     — Milky Way Galaxy,

    243rd Galactic Tick Day

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

    • Thursday

    • Thursday

    • Friday

     — Sun-Mercury,
    Global / Inter-Global

    Transit of Mercury

    Mercury to pass directly between Earth and Sun; observers see distant planet as small dot gliding slowly across face of ...

    • Saturday

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

    NET 2033 — Launch Long March 9 Test Flight

    Tentative date for China to test launch its next-gen rocket intended to carry people and cargo to the Moon.
    — Roscosmos State Corporation,
    Vostochny Cosmodrome, Russia

    NET 2033 — Launch Luna-31

    Roscosmos hoping to launch lander to deliver a heavy lunar rover weighing up to 5,000 kg, capable of mining / ...

    • Tuesday

     — National Aeronautics and Space Administration (NASA),
    Jupiter Trojan camp at L5

    Lucy to Flyby Asteroids 617 Patroclus and Menoetius

    NASA Lucy mission to come within 1,000 km of 113-km diameter 617 Patroclus and 104-km diameter Menoetius, p-type binary asteroids; ...

    • Friday

    • Sunday

    • Friday

    • Monday

     — Roscosmos State Corporation,
    Vostochny Cosmodrome, Russia

    NET 2035 — Launch Luna-33

    Roscosmos hopes to launch Luna-33 orbiter to be used for communication and navigation for Human Moon Missions and lunar base.
    — Roscosmos State Corporation,
    Vostochny Cosmodrome, Russia

    NET 2035 — Launch Luna-32

    Roscosmos hopes to launch Luna-32 to deliver heavy modules weighing up to 5,000 kg for the construction of the International Lunar ...

    Wednesday

     — China National Space Administration (CNSA),
    Comet 311/P PanSTARRS Orbit

    Tianwen-2 to Rendezvous with Comet 311/P PanSTARRS

    China asteroid sample return mission, having returned at least 100 grams from Kamo’oalewa (2016 HO3), to rendezvous with and begin ...

    • Saturday

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