(21683) Segal
Asteroid (21683) Segal |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt |
Asteroid family | Levin family |
Major semi-axis | 2.2780 AU |
eccentricity | 0.1236 |
Perihelion - aphelion | 1.9964 AU - 2.5597 AU |
Inclination of the orbit plane | 5.2042 ° |
Length of the ascending node | 329.3132 ° |
Argument of the periapsis | 109.4868 ° |
Sidereal period | 3.44 a |
Mean orbital velocity | 19.73 km / s |
Physical Properties | |
Medium diameter | 4.293 ± 1.093 |
Albedo | 0.173 |
Absolute brightness | 14.6 mag |
history | |
Explorer | Charles W. Juels |
Date of discovery | September 9, 1999 |
Another name | 1999 RL 33 , 1977 EZ 4 , 1979 YP 9 , 1989 VL 2 , 1998 KF 13 |
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. |
(21683) Segal is an asteroid of the main belt , which on September 9, 1999 by the American astronomer Charles W. Juel at the Observatory of Fountain Hills ( IAU code 678) in Arizona was discovered.
The asteroid was named on November 10, 2003 after the American amateur astronomer Bruce A. Segal (* 1959), who is an ophthalmologist and eye surgeon and has been observing asteroids from the Jupiter Observatory since 1999 .
(21683) Segal belongs to the Levin family, a group of asteroids named after (2076) Levin .
See also
Individual evidence
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)
Web links
- Asteroid Segal: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (21683) Segal in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (21683) Segal in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).