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Today

    • 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 released Apr 10, 2019.

    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 44 close flybys (25 to 2,700 km); launched 10 October 2024.

    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 human to venture into space on April 12, 1961, and the inaugural launch of the...

    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 explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.

    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 for Kennedy declaring to congress “I believe that this Nation should commit itself to achieving the...

    • 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 / endorsed declaration by the United Nations since 2022.
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA

    Viking 1 Mars Lander 54th Landing Observation Anniversary

    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 54 years ago; originally scheduled for July 4, landing was delayed until this day in 1976 due to rough landing site.

    • 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 the Sun on Dec 24, 2024 which is ~7 times closer than any prior spacecraft,...

    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 country to land on Moon, and 1st near the Moon South Pole.

    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 and its variability.

    • 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
    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 2001.

    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 assist today coming within 660 km after reaching Jupiter orbit and returning to the vicinity...

    • Wednesday

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

    NET 2031 — International Sun-Earth Explorer-3 (ISEE-3) to Reapproach Earth

    ISEE-3 (International Sun-Earth Explorer-3) craft, presumably in safe mode, is traveling around Sun & predicted to return to vicinity of Earth this year – may be able to reestablish contact; launched August 12, 1978.
    — Roscosmos State Corporation,
    Vostochny Cosmodrome, ~52°N, 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 missions.
    — 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 Moon.

    • Tuesday

     — European Space Agency (ESA),
    Jupiter Orbit

    NET July — JUICE Spacecraft to Insert into Jupiter Orbit

    NET July — ESA Jupiter Icy Moons Explorer (JUICE) expected to reach Jupiter this month if launched April 2023; will perform a flyby of Ganymede 7.5-hours before Jupiter insertion; will spend at least 3.5 years...
    — Japan Aerospace Exploration Agency (JAXA),
    Asteroid 1998 KY26

    NET Jul — Hayabusa 2, Asteroid 1998 KY26 Rendezvous

    ☆ NET Jul — JAXA Hayabusa 2 mission to rendezvous with asteroid 1998 KY26, after returning samples from (162173) Ryugu to Earth in 2020 and flying by asteroid 98943 Torifune in 2026.

    • 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 the Sun on Dec 24, 2024 which is ~7 times closer than any prior spacecraft,...

    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 Galactic Tick happens every 633.7 days; first Tick Day was one Tick after October 2nd,...

    • 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 Sun; starts Nov 12 at 20:41 HST, ends 01:07 Nov 13.

    • 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, ~52°N, 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 / extracting lunar resources.

    • 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; Lucy will be in a stable, 6-year orbit between the L4 and L5 -- mission...

    • Friday

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

    Lucy Spacecraft End of Primary Mission, Continues Orbit Around Sun

    End of primary mission for NASA Lucy mission, future science and mission plan extension TBD; mission is a twelve-year journey to eight different asteroids, and craft will continue to orbit the Sun in a stable...

    • Sunday

     — China National Space Administration (CNSA),
    Low Earth Orbit (LEO)

    Tiangong Space Station, 10 Years of Continuous Human Occupation

    Today marks 10th full year / starts 11th year of continuous Human occupation of Tiangong Space Station; Shenzhou 14 three-member crew launched on this day in 2022, beginning occupation.

    • Friday

    • Monday

     — Roscosmos State Corporation,
    Vostochny Cosmodrome, ~52°N, 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 Research Station by this date.
    — Roscosmos State Corporation,
    Vostochny Cosmodrome, ~52°N, 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.

    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 orbiting Comet 311/P PanSTARRS for 1 year.

    • Saturday