(4831) Baldwin
|
Asteroid (4831) Baldwin |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Themis family |
| Major semi-axis | 3.0919 AU |
| eccentricity | 0.1144 |
| Perihelion - aphelion | 2.7381 AU - 3.4456 AU |
| Inclination of the orbit plane | 0.2645 ° |
| Length of the ascending node | 65.7895 ° |
| Argument of the periapsis | 145.8265 ° |
| Sidereal period | 5.44 a |
| Mean orbital velocity | 16.92 km / s |
| Physical Properties | |
| Medium diameter | 35.18 ± 3.2 km |
| Albedo | 0.0157 |
| Absolute brightness | 12.4 mag |
| history | |
| Explorer | Scolded John Bus |
| Date of discovery | September 14, 1988 |
| Another name | 1988 RX 11 , 1970 GK 1 , 1975 ET |
| 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. | |
(4831) Baldwin is an asteroid of the main belt , which on 14 September 1988 by the American astronomer scolding John bus at the Cerro Tololo Inter-American Observatory ( IAU code 807) in Chile was discovered.
The asteroid belongs to the Themis family, a group of asteroids named after (24) Themis .
(4831) Baldwin was named on October 13, 2000 after the American planetologist Ralph Belknap Baldwin (1912-2010).
See also
Web links
- Asteroid Baldwin: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Baldwin in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (4831) Baldwin in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ↑ The family affiliation of (5138) Gyoda in the AstDyS-2 database (English)