Space Event / Encounter

14:37 UTC / 04:37 HST.

Emanating from ~6km-wide comet with 5.3-year Solar orbit, visible in constellation Aquarius near star Delta Aquarii, fast, faint meteors peak...

With 93% of the Moon falling into Earth's umbral shadow, maximum eclipse 18:19 HST // 04:12 UTC on August 28,...

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...

14:02 HST (04:02 UTC); the Sun rises exactly in east traveling through sky for 12 hours, sets exactly in west;...

16:49 UTC (06:49 HST).

Appearing in constellation Orion, Orionids are a Class I shower providing up to 20 per hour, swiftly moving ~66km/sec. With...

18:12 HST // 04:12 UTC on Oct 26.

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...

14:54 UTC (04:54 HST).

10:49 HST (00:49 UTC); the Sun reaches the point where it is farthest South of the celestial equator, marking the...

25:29 HST //  01:29 UTC on Dec 24.

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 capsule 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...

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 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...

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

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

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

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

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...