• Thumbnail for Binary asteroid
    A binary asteroid is a system of two asteroids orbiting their common barycenter. The binary nature of 243 Ida was discovered when the Galileo spacecraft...
    6 KB (602 words) - 00:16, 25 January 2025
  • Thumbnail for Contact binary (small Solar System body)
    bilobated, peanut-like overall shape. Contact binaries are distinct from true binary systems such as binary asteroids where both components are separated. The...
    34 KB (3,194 words) - 07:00, 2 June 2025
  • Thumbnail for Minor-planet moon
    The term double asteroid is sometimes used for systems in which the asteroid and its moon are roughly the same size, while binary tends to be used independently...
    134 KB (3,052 words) - 02:32, 13 July 2025
  • Thumbnail for 152830 Dinkinesh
    1999 VD57) is a binary main-belt asteroid about 790 meters (2,600 feet) in diameter. It was discovered by the Lincoln Near-Earth Asteroid Research (LINEAR)...
    48 KB (3,499 words) - 17:22, 18 June 2025
  • of binary system are binary stars and binary asteroids, but brown dwarfs, planets, neutron stars, black holes and galaxies can also form binaries. A multiple...
    5 KB (574 words) - 23:13, 24 February 2025
  • Thumbnail for 624 Hektor
    624 Hektor (redirect from Hektor (asteroid))
    Patroclus, another large trojan asteroid of the L5 group, consists of two almost equal-sized components. Two other binary asteroids are known in the L5 group...
    19 KB (1,350 words) - 02:11, 13 July 2025
  • Thumbnail for Double Asteroid Redirection Test
    asteroid through its transfer of momentum when hitting the asteroid head-on. The target asteroid, Dimorphos, is a minor-planet moon of the asteroid Didymos;...
    66 KB (6,197 words) - 16:06, 5 July 2025
  • Thumbnail for 65803 Didymos
    sub-kilometer asteroid and binary system that is classified as a potentially hazardous asteroid and near-Earth object of the Apollo group. The asteroid was discovered...
    33 KB (2,575 words) - 19:45, 2 June 2025
  • Thumbnail for Hera (space mission)
    Hera (space mission) (category Missions to asteroids)
    objective is to study the Didymos binary asteroid system that was impacted four years earlier by the NASA Double Asteroid Redirection Test (DART) spacecraft...
    28 KB (3,001 words) - 16:56, 4 July 2025
  • theory Binary system (astronomy), a system of two celestial bodies on a mutual orbit Binary asteroid Binary star Contact binary Contact binary (asteroid) Double...
    671 bytes (105 words) - 17:31, 29 October 2024
  • Thumbnail for 66391 Moshup
    provisional designation 1999 KW4, is a binary asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Aten group, approximately...
    15 KB (1,032 words) - 02:40, 13 July 2025
  • Thumbnail for 90 Antiope
    difference in mass is less than 2.5%), making it a truly "double" asteroid. Its binary nature was discovered on 10 August 2000 by a group of astronomers...
    17 KB (1,386 words) - 00:07, 10 February 2025
  • Thumbnail for 617 Patroclus
    Patroclus (/pəˈtroʊkləs/ pə-TROH-kləs) is a large binary Jupiter trojan asteroid. It is a dark D-type asteroid and a slow rotator, due to the 103-hour orbital...
    30 KB (2,062 words) - 05:18, 2 June 2025
  • Thumbnail for 163693 Atira
    asteroid, dwelling in the interior of Earth's orbit. It is classified as a near-Earth object. Atira is a binary asteroid, a system of two asteroids orbiting...
    16 KB (1,292 words) - 22:42, 14 May 2025
  • Thumbnail for (300163) 2006 VW139
    (300163) 2006 VW139 (category Binary asteroids)
    binary active asteroid and main-belt comet from the outer regions of the asteroid belt. The object was discovered by Spacewatch in 2006. Its binary nature...
    14 KB (924 words) - 17:31, 7 July 2025
  • Thumbnail for 52246 Donaldjohanson
    minor planets and comets visited by spacecraft 152830 Dinkinesh – Binary asteroid and Lucy's first target "52246 Donaldjohanson (1981 EQ5)". Minor Planet...
    15 KB (978 words) - 21:58, 2 July 2025
  • Thumbnail for 121 Hermione
    Hermione is a very large binary asteroid discovered in 1872. It orbits in the Cybele group in the far outer asteroid belt. As an asteroid of the dark C spectral...
    10 KB (694 words) - 11:26, 2 August 2024
  • Yoshiaki Oshima (category Discoverers of asteroids)
    Observatory and prolific discoverer of 61 asteroids as credited by the Minor Planet Center, and include the binary asteroid 4383 Suruga, the potentially hazardous...
    12 KB (785 words) - 21:10, 7 June 2025
  • Thumbnail for List of Solar System objects by size
    Berthier, J.; et al. (March 2014). "The Puzzling Mutual Orbit of the Binary Trojan Asteroid (624) Hektor". The Astrophysical Journal Letters. 783 (2): 6. arXiv:1402...
    257 KB (10,808 words) - 16:15, 14 July 2025
  • other Binary asteroid, two asteroids orbiting each other Binary fission, the splitting of a single-celled organism into two daughter cells Binary phase...
    3 KB (361 words) - 15:12, 1 April 2025
  • Thumbnail for 69230 Hermes
    Hermes is a sub-kilometer sized asteroid and binary system on an eccentric orbit, classified as a potentially hazardous asteroid and near-Earth object of the...
    23 KB (1,615 words) - 19:47, 2 June 2025
  • Thumbnail for Double planet
    Double planet (redirect from Binary planet)
    Varda–Ilmarë. Binary asteroids with components of roughly equal mass are sometimes referred to as double minor planets. These include binary asteroids 69230 Hermes...
    18 KB (2,204 words) - 11:18, 24 May 2025
  • Thumbnail for Asteroid
    are probably solid. Some asteroids have moons or are co-orbiting binaries: rubble piles, moons, binaries, and scattered asteroid families are thought to...
    149 KB (15,574 words) - 14:24, 10 July 2025
  • Thumbnail for M-type asteroid
    M-class) asteroids are a spectral class of asteroids which appear to contain higher concentrations of metal phases (e.g. iron-nickel) than other asteroid classes...
    26 KB (2,582 words) - 07:05, 5 May 2025
  • designation 1938 YG, is a rare-type Hungaria asteroid and binary system from the inner regions of the asteroid belt, approximately 8 kilometers in diameter...
    22 KB (1,372 words) - 23:37, 11 July 2025
  • Adrián Galád (category Discoverers of asteroids)
    Leonard Kornoš, Peter Kolény and Štefan Gajdoš. The asteroid 32008 Adriángalád, a binary asteroid discovered by LINEAR, was named after him in 2016. "Minor...
    10 KB (125 words) - 15:24, 5 June 2025
  • johnstonsarchive.net Asteroids with Satellites, Robert Johnston, johnstonsarchive.net [1], Prediction and Reduction of Stellar Occultations of Binary Asteroids 22 Kalliope...
    11 KB (931 words) - 01:21, 30 May 2025
  • designation 1989 AA5, is a stony background asteroid and asynchronous binary system from the inner regions of the asteroid belt, approximately 8 kilometers (5...
    8 KB (511 words) - 19:46, 2 June 2025
  • Thumbnail for Active asteroid
    into the asteroid moon of the binary asteroid 65803 Didymos, NASA's Double Asteroid Redirection Test spacecraft made Dimorphos an active asteroid. Scientists...
    51 KB (4,253 words) - 06:55, 25 May 2025
  • will target 65803 Didymos, a binary asteroid system in which one asteroid is orbited by a smaller one. The primary asteroid is about 800 metres (2,600 ft)...
    29 KB (2,656 words) - 16:58, 4 July 2025