(30928) Jefferson
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Asteroid (30928) Jefferson |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt asteroid |
| Major semi-axis | 2.6527 AU |
| eccentricity | 0.1620 |
| Perihelion - aphelion | 2.2228 AU - 3.0826 AU |
| Inclination of the orbit plane | 16.2752 ° |
| Length of the ascending node | 32.6112 ° |
| Argument of the periapsis | 69.7795 ° |
| Sidereal period | 4.32 a |
| Physical Properties | |
| Medium diameter | 6.456 (± 0.231) km |
| Albedo | 0.222 (± 0.030) |
| Absolute brightness | 13.6 mag |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | October 9, 1993 |
| Another name | 1993 TJ 32 , 1993 TO 48 , 1999 CN 123 |
| 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. | |
(30928) Jefferson is an asteroid of the main middle belt , which was discovered by the Belgian astronomer Eric Walter Elst on October 9, 1993 at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809).
The mean diameter of the asteroid was calculated to be 6.456 (± 0.231) km .
The mean distance from the sun ( major semi-axis ), eccentricity and inclination of the orbit plane of the asteroid roughly correspond to the Maria family, a group of asteroids named after (170) Maria .
(30928) Jefferson was named on April 9, 2009 after Thomas Jefferson , the third President of the United States .
Web links
- (30928) Jefferson in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (30928) Jefferson in the Small-Body Database of the Jet Propulsion Laboratory .
- Discovery Circumstances of (30928) Jefferson according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)