Space Event / Encounter

From Comet Tuttle (8P), with up to 10 per hour. Moon only 3% full helps viewing.

At magnitude 2.9, the Hubble Space Telescope will travel over Hawaiian Islands from SSE to E, rising at 04:58:50 to...

The Quadrantid shower is known for its brief, intense peak, lasting only a few hours. Appearing to radiate from Constellation...

08:00 HST, 18:00 UTC; Earth perihelion is the point in its orbit when it is closest to the Sun, occurring...

Visible at -3.9 magnitude, the International Space Station will travel over Hawaiian Islands from NW to SE, rising at 04:48:07...

Occurs 04:45 HST / 14:45 UTC; March equinox is known as the vernal equinox (or spring equinox) in the Northern...

Best seen from Northern Hemisphere, with a lower hourly rate in the Southern Hemisphere, Lyrids seem to stream from the...

JAXA Hayabusa 2 mission to flyby S-type asteroid 98943 Torifune this month and rendezvous with asteroid 1998 KY26 in 2031,...

China asteroid sample return mission, to arrive at Kamo’oalewa today to collect at least 100 grams via anchoring-drilling, hover-sampling and...

Occurs 07:30 HST / 17:30 UTC; Earth aphelion is the point in its elliptical orbit where it is farthest from...

ESA Jupiter Icy Moons Explorer (JUICE) expected to perform its second flyby of Earth this month, arriving at Jupiter in...

Campbell was first appointed in September 2020. She was reappointed for an additional year, 14 Sep 2025 - 14 Sep...

NET Nov — CNSA CE-7 mission planned to land at Shackleton Crater Ridge near Moon South Pole region to survey...

NET Nov — BepiColombo, Hermocentric Orbit Insertion at Mercury, Mercury Orbit: European Space Agency / JAXA Mercury Planetary Orbiter (MPO) and Mercury...

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

China Tianwen-2 asteroid sample return mission planned to depart Kamo’oalewa (2016 HO3) today and return to Earth with least 100...

NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 1,000 km of...

NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 415 km of...

China asteroid sample return mission planned to return to Earth today with at least 100 grams from Kamo’oalewa (2016 HO3);...

☆ NET Dec — JAXA Hayabusa 2 mission to perform first flyby Earth today on way to rendezvous with asteroid...

NET 2028 — Standard funding of International Space Station may end this year from partner Russia; mission extension to at least...

NET Apr — European Space Agency / JAXA Mercury Magnetospheric Orbiter (BepiColombo) nominal mission ends this month, 5.82 Mercury years...

NASA's Lucy mission, to encounter 11 asteroids including a main belt and 7 Jupiter Trojans, planned to come within 1,000...

☆ NET Jun — JAXA Hayabusa 2 mission to perform second flyby Earth today on way to rendezvous with asteroid...

NET Aug — Japan Martian Moons eXploration (MMX) mission, now with Phobos sample, to begin its return to Earth this...

NASA Lucy mission, to encounter 11 asteroids including a main belt and 7 Jupiter Trojans, to come within 1,000 km...

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

NET 2029 — Scheduled end of European Space Agency Euclid mission which is measuring accelerated expansion of Universe, aiding in...

NET 2029 — NASA and JPL Caltech Psyche Mission to investigate all-metal asteroid Psyche to insert itself into asteroid orbit...

NET Jan — ESA Jupiter Icy Moons Explorer (JUICE) expected to perform 3rd and final flyby of Earth this month,...

NET Feb — INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) space telescope will burn up upon Earth atmosphere reentry this month due to natural orbit...

On this day, which happens to be a Friday, 370-meter diameter asteroid (previously known as 2004 MN4) will narrowly miss...

OSIRIS-APophis EXplorer (OSIRIS-APEX) is planned rendezvous with and orbit asteroid Apophis starting today for 9 months following the asteroid’s close...

NET July — China Chang’E-2 spacecraft expected to come within 7M km of Earth around this date after reaching 300M...

NET July — Japan Martian Moons eXploration (MMX) mission with Mars moon Phobos' sample to arrive at Earth this month...

NET Oct — ESA Jupiter Icy Moons Explorer (JUICE) expected to perform flyby of Asteroid 223 Rosa this month, arriving...

NET 2030 — Europe hopes to have built a sustainable Moon Village by this date, while working toward Mars missions.

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

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

ISEE-3 (International Sun-Earth Explorer-3) craft, presumably in safe mode, is traveling around Sun & predicted to return to vicinity of...

NET July — ESA Jupiter Icy Moons Explorer (JUICE) expected to reach Jupiter this month if launched April 2023; will...

☆ NET Jul — JAXA Hayabusa 2 mission to rendezvous with asteroid 1998 KY26, after returning samples from (162173) Ryugu...

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

ESA Jupiter Icy Moons Explorer (JUICE) expected to perform flyby of moon Europa this month.

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

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

End of primary mission for NASA Lucy mission, future science and mission plan extension TBD; mission is a twelve-year journey...

ESA Jupiter Icy Moons Explorer (JUICE) expected to achieve Ganymede elliptical orbit insertion this month.

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

ESA Jupiter Icy Moons Explorer (JUICE) is planned to be deorbited and impact Ganymede at the end of 2035, having...