Astronomy Statistics

KMT-2024-BLG-0404L b is the most massive planet discovered in 2025 with a measured true mass, at 27.24 Jupiter masses. B...

ZTF J1828+2308 b has the shortest orbit of any planet discovered in 2025, circling its star in 2.69 hours. ZTF J1230-265...

Proxima Centauri d is the nearest planet discovered in 2025 at 4.2 light-years. Barnard c, d and e share second place at...

NASA's TESS satellite is credited with 129 of the 245 planets discovered in 2025, 52.7% of the total, and 127 of those w...

Transit searches found 144 of the 245 planets discovered in 2025, or 58.8%. Radial velocity is a distant second with 61,...

The fastest flyby closer than the Moon in 2025 was 2025 WM20, which passed Earth on 24 November 2025 at 28.4 km/s relati...

3,239 near-Earth asteroids were discovered in 2025, the highest yearly total in the series and 8.9 times the 363 found i...

The most powerful fireball of 2025 was detected on 27 Mar 2025 (14.3°N 111.5°W), with an estimated impact energy of 2.4...

October had the most asteroid flybys closer than the Moon, with 33 of the year's 189. April, June, July and August each...

The closest flyby of 2025 was asteroid 2025 UC11 on 30 October 2025, which passed 6,599 km from Earth's centre. Using th...

Large Binocular Telescope (LBT) has the largest effective aperture at 11.9 m, ahead of Gran Telescopio Canarias (GTC) on...

The Sun overwhelms everything at apparent magnitude -26.7, roughly 400,000 times brighter than the full Moon (-12.7), th...

Jupiter is the undisputed giant, with a mass of 317.8 Earths, more than twice that of all the other planets combined. Sa...

Ceres, at 939 km across, is by far the largest asteroid, so massive that it is also classified as a dwarf planet and hol...

Proxima Centauri b and d are the nearest known exoplanets, 4.24 light-years away around the Sun's closest stellar neighb...

The top three in Diameter (km) are Sun (1,391,000), Jupiter (139,820) and Saturn (116,460). The 10 entries in Diameter (...

The top three in Area (square degrees) are Crux (68.4), Equuleus (71.6) and Sagitta (79.9). The 10 entries in Area (squa...

Aquarius (979.9), Centaurus (1,060.4) and Draco (1,083) take the top three in Area (square degrees). Values run from 1,3...

The Sagittarius Dwarf Spheroidal, at about 78,000 light-years, is among the closest galaxies to the Milky Way, so near t...

Proxima Centauri, at 4.25 light-years, is the closest star to the Sun, narrowly ahead of the main Alpha Centauri pair (4...

Sirius shines at apparent magnitude -1.46, making it by far the brightest star in the night sky, nearly a full magnitude...