(8031) Williamdana
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Asteroid (8031) Williamdana |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2931 AU |
| eccentricity | 0.0623 |
| Perihelion - aphelion | 2.1501 AU - 2.4361 AU |
| Inclination of the orbit plane | 7.6052 ° |
| Length of the ascending node | 6.2710 ° |
| Sidereal period | 3.47 a |
| Physical Properties | |
| Absolute brightness | 14.0 mag |
| history | |
| Explorer |
Seiji Ueda Hiroshi Kaneda |
| Date of discovery | March 7, 1992 |
| Another name | 1992 ER, 1976 SH, 1978 CE, 1978 ES 4 |
| 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. | |
(8031) William Dana is an asteroid of the main belt , which on 7 March 1992 by the Japanese astronomer Seiji Ueda and Hiroshi Kaneda at the observatory in Kushiro ( IAU code was discovered 399).
The celestial body is named after the American test pilot William H. Dana (* 1930), who completed 16 flights in the X-15 program and was only awarded his astronaut wings as a NASA pilot on August 24, 2005 .
See also
Web links
- Asteroid Williamdana: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Williamdana in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (8031) Williamdana in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).