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 ...
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 ...
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 ...

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: ...

Indian Space Research Organisation (ISRO)
Satish Dhawan Space Center, 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 ...

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

Hubble Space Telescope Marks Another 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 ...
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.

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 ...
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 ...

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 ...

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 ...
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 ...
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 ...

National Aeronautics and Space Administration (NASA)
Heliocentric Orbit

Parker Solar Probe Marks Another 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
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 ...
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 ...

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

Astrosat Marks Another Year in Space

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

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

ExoMars 2016 Orbiter Marks Another Year in Mars Orbit

European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on ...
National Aeronautics and Space Administration (NASA)
Mars Orbit

Mars Odyssey Marks Another 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 ...

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

Swift Spacecraft Marks Another 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 ...
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 ...

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

Chang’E-5 Marks Another 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, ...
Japan Aerospace Exploration Agency (JAXA)
Asteroid 98943 Torifune Trajectory

Hayabusa 2 Marks Another Year in Space

Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to ...
European Space Agency (ESA)
Low Earth Orbit (LEO)

XMM-Newton Marks Another 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 ...
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
China National Space Administration (CNSA)
Guang Han Gong, 44.12°N 19.51°W, Moon Surface

Chang’E-3 Lander Marks Another 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 ...
National Aeronautics and Space Administration (NASA)
Low Earth Orbit (LEO)

WISE / NEOWISE Marks Another Year in Space

NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched ...
European Space Agency (ESA)
Sun-Earth L2 Lagrange point

Gaia Spacecraft Marks Another Year in Space

ESA spacecraft surpasses another full year in space today; now in extended mission phase working to map more than 1 ...
National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC)
Sun-Earth L2 Lagrange point

James Webb Space Telescope Marks Another Year in Space

NASA (STSci) / ESA / CSA-ASC infrared astronomy telescope surpasses next full year in space since launching on this day ...
European Space Agency (ESA)
Mars Orbit

Mars Express Marks Another Year in Mars Orbit

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

Indian Space Research Organisation (ISRO)
Satish Dhawan Space Center, Sriharikota, India

NET 2029 — Launch Soorya / Human Moon Mission

NET 2029 — Potential date for India 1st crewed mission to cislunar space with using Soorya rocket.
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 ...
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 ...
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 ...
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 ...
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 ...

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: ...
Lunar Calendar
China (Zhongguo) / Worldwide

Lunar New Year

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

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 ...
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 ...
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 ...
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 ...
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.

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 ...

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 ...
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 ...

National Aeronautics and Space Administration (NASA)
Heliocentric Orbit

Parker Solar Probe Marks Another 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
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 ...
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 ...

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

Astrosat Marks Another Year in Space

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

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

ExoMars 2016 Orbiter Marks Another Year in Mars Orbit

European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on ...
National Aeronautics and Space Administration (NASA)
Mars Orbit

Mars Odyssey Marks Another 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 ...

Low Earth Orbit (LEO)

Swift Spacecraft Marks Another 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 ...

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

Chang’E-5 Marks Another 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, ...
Asteroid 98943 Torifune Trajectory

Hayabusa 2 Marks Another Year in Space

Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to ...
Low Earth Orbit (LEO)

XMM-Newton Marks Another 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 ...
Guang Han Gong, 44.12°N 19.51°W, Moon Surface

Chang’E-3 Lander Marks Another 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 Marks Another Year in Space

NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched ...

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

255th Meeting of the AAS

At Gaylord National Resort & Convention Center.

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 ...
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 ...
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 ...
China (Zhongguo)

National Day of Space Flight

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

Worldwide

International Space Day

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

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 ...

National Aeronautics and Space Administration (NASA)
Heliocentric Orbit

Parker Solar Probe Marks Another Year in Space

NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of ...
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 ...
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 ...

Low Earth Orbit (LEO)

Astrosat Marks Another Year in Space

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

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 ...

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 ...

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