(2421) Nininger
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Asteroid (2421) Nininger |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.2361 AU |
| eccentricity | 0.0459 |
| Perihelion - aphelion | 3.0875 AU - 3.3848 AU |
| Inclination of the orbit plane | 10.1885 ° |
| Sidereal period | 5.82 a |
| Mean orbital velocity | 16.55 km / s |
| Physical Properties | |
| Medium diameter | 38.89 km (± 1.7) |
| Albedo | 0.0559 |
| Absolute brightness | 10.80 likes |
| history | |
| Explorer | E. Bowell |
| Date of discovery | 17th October 1979 |
| Another name | 1979 UD, 1932 RP, 1962 XJ 1 , 1971 HH |
| 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. | |
(2421) Nininger is an asteroid of the main belt , which on 17 October 1979 by the American astronomer Edward LG Bowell at the Anderson Mesa Station (IAU code 688) of the Lowell Observatory in Coconino County was discovered.
The asteroid was named on January 17, 1982 on the occasion of his 95th birthday after the American meteorite researcher and founder of the American Meteorite Museum Harvey Harlow Nininger .
See also
Web links
- Asteroid Nininger: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (2421) Nininger in the Small-Body Database of the Jet Propulsion Laboratory .
- (2421) Nininger in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).