Swift Spacecraft Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:
Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of...

Chang’E-5 Marks Another Year on Moon

Statio Tianchuan, 43° N 51.9° W, Moon Surface
Organizer:
China National Space Administration (CNSA) Chang'E-5 lander at Statio Tianchuan "ship sailing in the Milky Way", Mons Rümker, Oceanus Procellarum,...

Hayabusa 2 Marks Another Year in Space

Asteroid 98943 Torifune Trajectory
Organizer:
Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to...

XMM-Newton Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:
European Space Agency (ESA) craft in Very Eccentric Elliptical LEO studying X-ray emissions, star-forming regions, galaxy clusters, environment of supermassive black...

Chang’E-3 Lander Marks Another Year on Moon

Guang Han Gong, 44.12°N 19.51°W, Moon Surface
Organizer:
China National Space Administration (CNSA) spacecraft at Guang Han Gong "Moon Palace", Sinus Iridum / Mare Imbrium, 44.12°N 19.51°W, surpasses...

WISE / NEOWISE Marks Another Year in Space

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

2028 AIAA SciTech Forum

Hyatt Regency Orlando Orlando, FL, United States
Organizer:
AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace.

Lunar New Year

China (Zhongguo) / Worldwide
Organizer:
Lunar New Year 2028 Spring Festival marks the Year of the Monkey.

Apollo 1, 61st Observation

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)
Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch...

Challenger STS-51L, 42nd Observation

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)
Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle...

Explorer 1, 70th Observation

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)
American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for...

Columbia STS-107, 25th Observation

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)
Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003:...

Pōwehi Day

Statewide Hawai’i, USA
Organizer:
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 Celebrations

Worldwide
Organizer: Yuri’s Night
Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first...

Hubble Space Telescope Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer: National Aeronautics and Space Administration (NASA)
NASA spacecraft with 2.4-meter diameter main telescope begins 39th year in space today, launched Apr 24, 1990; could continue operations...

National Day of Space Flight

China (Zhongguo)
Organizer:
Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

International Space Day

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

John F. Kennedy 1st Moon Speech

Nationwide USA
Organizer:
NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized...

International Moon Day (Annual)

Global / Inter-Global
Organizer: Moon Village Association (MVA)
Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized...

Parker Solar Probe Marks Another Year in Space

Heliocentric Orbit
Organizer: National Aeronautics and Space Administration (NASA)
NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe  came within ~6.16M km of...

Chandrayaan-3 Commemorated for Moon Landing (2023)

Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface
Organizer: Indian Space Research Organisation (ISRO)
Chandrayaan-3 Vikram lander and Pragyan rover celebrated today after successfully landing on Moon in 2023; marking India as the 4th...

Van Allen Probes Mark Another Year in Space

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

Astrosat Marks Another Year in Space

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

World Space Week

Worldwide
Organizer: World Space Week Association
Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space...

Mars Odyssey Marks Another Year in Mars Orbit

Mars Orbit
Organizer:
NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit...

Swift Spacecraft Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:
Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of...

Chang’E-5 Marks Another Year on Moon

Statio Tianchuan, 43° N 51.9° W, Moon Surface
Organizer:
China National Space Administration (CNSA) Chang'E-5 lander at Statio Tianchuan "ship sailing in the Milky Way", Mons Rümker, Oceanus Procellarum,...

Hayabusa 2 Marks Another Year in Space

Asteroid 98943 Torifune Trajectory
Organizer:
Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to...

XMM-Newton Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:
European Space Agency (ESA) craft in Very Eccentric Elliptical LEO studying X-ray emissions, star-forming regions, galaxy clusters, environment of supermassive black...

Chang’E-3 Lander Marks Another Year on Moon

Guang Han Gong, 44.12°N 19.51°W, Moon Surface
Organizer:
China National Space Administration (CNSA) spacecraft at Guang Han Gong "Moon Palace", Sinus Iridum / Mare Imbrium, 44.12°N 19.51°W, surpasses...

WISE / NEOWISE Marks Another Year in Space

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

Apollo 1, 62nd Observation

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)
Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch...

Challenger STS-51L, 43rd Observation

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)
Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle...

Columbia STS-107, 26th Observation

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)
Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003:...

Pōwehi Day

Statewide Hawai’i, USA
Organizer:
Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian...