(2742) Gibson
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Asteroid (2742) Gibson |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Asteroid family | Koronis family |
| Major semi-axis | 2.9121 AU |
| eccentricity | 0.0660 |
| Perihelion - aphelion | 2.7200 AU - 3.1042 AU |
| Inclination of the orbit plane | 3.1616 ° |
| Length of the ascending node | 122.7826 ° |
| Argument of the periapsis | 288.8376 ° |
| Sidereal period | 4.97 a |
| Mean orbital velocity | 17.46 km / s |
| Physical Properties | |
| Absolute brightness | 11.8 mag |
| history | |
| Explorer | Carolyn Shoemaker |
| Date of discovery | May 6, 1981 |
| Another name | 1981 JG 3 , 1948 TS, 1953 TT 1 , 1971 KV, 1973 UD 2 , 1975 BZ, 1978 TB 8 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(2742) Gibson is a main outer belt asteroid discovered on May 6, 1981 by the American astronomer Carolyn Shoemaker at the Palomar Observatory ( IAU code 695) in California , on photographic plates taken by Eleanor Helin and Schelte John Bus . Unconfirmed sightings of the asteroid had already taken place several times: on October 4, 1948 (1948 TS) at the French Observatoire de Nice , in 1953 (1953 TT 1 ) at the Goethe Link Observatory in Indiana and on May 25, 1971 (1971 KV) , October 26, 1973 (1973 UD 2 ), January 18, 1975 (1975 BZ) and 1978 (1978 TB 8 ) at the Crimean Observatory in Nautschnyj .
The orbital data from (2742) Gibson corresponds to the Koronis family, a group of asteroids named after (158) Koronis . The timeless (non- osculating ) orbital elements of (2742) Gibson are almost identical to those of the two smaller ones, assuming the absolute magnitude of 16.5 and 16.0 compared to 11.8, asteroids (181078) 2005 QH 26 and ( 241493) 2009 BQ 172 .
(2742) Gibson was named on March 28, 1983 after the American astronomer and asteroid explorer James Gibson .
Web links
- (2742) Gibson in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2742) Gibson in the Small-Body Database of the Jet Propulsion Laboratory (English).
Individual evidence
- ↑ (2742) Gibson at the IAU Minor Planet Center (English)
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Springer, Heidelberg 2003, 5th edition, page 224 (English)