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- Binary_asteroid abstract "A binary asteroid is a system of two asteroids orbiting their common center of mass, in analogy with binary stars. 243 Ida was the first binary asteroid to be identified when the Galileo spacecraft did a flyby in 1993. Since then numerous binary asteroids have been detected.When both binary asteroids are similar in size, they are sometimes called "binary companions", "double asteroids" or "doublet asteroids". A good example of true binary companions is the 90 Antiope system. Binary asteroids with a small satellite, called a "moonlet", have been more commonly observed (see 22 Kalliope, 45 Eugenia, 87 Sylvia, 107 Camilla, 121 Hermione, 130 Elektra, 243 Ida, 283 Emma, 379 Huenna, etc.). They are also called high-size-ratio binary-asteroid systems.Paired impact craters, such as the Clearwater Lakes in Canada, may have been formed by binary asteroids.Several theories have been posited to explain the formation of binary-asteroid systems. Recent work suggests that most of them have a significant macro-porosity (a "rubble-pile" interior). The satellites orbiting large main-belt asteroids such as 22 Kalliope, 45 Eugenia or 87 Sylvia could have formed by disruption of a parent body after impact or fission after an oblique impact. Trans-Neptunian binaries may have formed during the formation of the Solar System by mutual capture or three-body interaction. Near-Earth asteroids, which orbit in the inner part of the Solar System, may have split by tidal disruption after a close encounter with a terrestrial planet. A possible explanation for the relatively greater occurrence of binary asteroids near or inside of Earth's orbit was described in the journal Nature (10 June 2008): this theory states that when solar energy (see YORP effect) spins a “rubble pile” asteroid to a sufficiently fast rate, material is thrown from the asteroid’s equator. This process also exposes fresh material at the poles of the asteroid.".
- Binary_asteroid wikiPageID "358774".
- Binary_asteroid wikiPageRevisionID "599747608".
- Binary_asteroid hasPhotoCollection Binary_asteroid.
- Binary_asteroid subject Category:Binary_asteroids.
- Binary_asteroid type Asteroid109208702.
- Binary_asteroid type BinaryAsteroids.
- Binary_asteroid type CelestialBody109239740.
- Binary_asteroid type MinorPlanet109355623.
- Binary_asteroid type NaturalObject100019128.
- Binary_asteroid type Object100002684.
- Binary_asteroid type PhysicalEntity100001930.
- Binary_asteroid type Whole100003553.
- Binary_asteroid comment "A binary asteroid is a system of two asteroids orbiting their common center of mass, in analogy with binary stars. 243 Ida was the first binary asteroid to be identified when the Galileo spacecraft did a flyby in 1993. Since then numerous binary asteroids have been detected.When both binary asteroids are similar in size, they are sometimes called "binary companions", "double asteroids" or "doublet asteroids". A good example of true binary companions is the 90 Antiope system.".
- Binary_asteroid label "Asteroide binario".
- Binary_asteroid label "Asteroide binário".
- Binary_asteroid label "Binary asteroid".
- Binary_asteroid label "Doppelasteroid".
- Binary_asteroid label "Planetoida podwójna".
- Binary_asteroid label "Système astéroïdal".
- Binary_asteroid label "Двойной астероид".
- Binary_asteroid label "كويكب مزدوج".
- Binary_asteroid label "二重小惑星".
- Binary_asteroid label "雙小行星".
- Binary_asteroid sameAs Binární_planetka.
- Binary_asteroid sameAs Doppelasteroid.
- Binary_asteroid sameAs Système_astéroïdal.
- Binary_asteroid sameAs Asteroide_binario.
- Binary_asteroid sameAs 二重小惑星.
- Binary_asteroid sameAs Planetoida_podwójna.
- Binary_asteroid sameAs Asteroide_binário.
- Binary_asteroid sameAs m.01_5zx.
- Binary_asteroid sameAs Q947662.
- Binary_asteroid sameAs Q947662.
- Binary_asteroid sameAs Binary_asteroid.
- Binary_asteroid wasDerivedFrom Binary_asteroid?oldid=599747608.
- Binary_asteroid isPrimaryTopicOf Binary_asteroid.