(2161) Grissom
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Asteroid (2161) Grissom |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt |
| family | |
| Major semi-axis | 2.747 AU |
| eccentricity | 0.162 |
| Perihelion - aphelion | 2.302 AU - 3.193 AU |
| Inclination of the orbit plane | 7.305 ° |
| Length of the ascending node | 126.423 ° |
| Argument of the periapsis | 249.613 ° |
| Time of passage of the perihelion | April 10, 2018 |
| Sidereal period | 4.55 a |
| Physical Properties | |
| Medium diameter | (15.857 ± 0.115) km |
| Albedo | 0.074 ± 0.003 |
| Rotation period | approx. 5 h |
| Absolute brightness | 12.2 mag |
| Spectral class | SMASSII: C |
| history | |
| Explorer | Goethe Link Observatory |
| Date of discovery | 17th October 1963 |
| Another name | 1963 UD; 1931 UN; 1976 OK |
| 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. | |
(2161) Grissom is an asteroid of the main belt that was discovered on October 17, 1963 at the Goethe Link Observatory . The asteroid was named after the US astronaut Gus Grissom (1926–1967), a member of the "Mercury Seven" .
Web links
- Asteroid Grissom: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (2161) Grissom in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Fifth Revised and Enlarged Edition. Ed .: Lutz D. Schmadel. 5th edition. Springer Verlag , Berlin , Heidelberg 2003, ISBN 978-3-540-29925-7 , pp. 175 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 9, 2016] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992).