(8722) Schirra
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Asteroid (8722) Schirra |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.3876 AU |
| eccentricity | 0.3000 |
| Perihelion - aphelion | 1.6712 AU - 3.1039 AU |
| Inclination of the orbit plane | 5.8412 ° |
| Length of the ascending node | 324.2127 ° |
| Argument of the periapsis | 48.9273 ° |
| Time of passage of the perihelion | 22nd November 2018 |
| Sidereal period | 3.69 a |
| Mean orbital velocity | 19.27 km / s |
| Physical Properties | |
| Medium diameter | 4.781 (± 0.278) km |
| Albedo | 0.213 (± 0.030) |
| Rotation period | 2.3052 h |
| Absolute brightness | 14.1 mag |
| history | |
| Explorer | Richard G. Davis |
| Date of discovery | August 19, 1996 |
| Another name | 1996 QU 1 , 1948 RC, 1985 TV 3 |
| 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. | |
(8722) Schirra is an asteroid of the main belt , which on 19 August 1996 by the American US astronomer Richard G. Davis at the Observatory of the University of Granville ( IAU code in 825) Ohio was discovered.
The asteroid was named on October 13, 2000 after the American astronaut Walter Schirra (1923-2007), who was the only one of the first three US space programs - Mercury , Gemini and Apollo - to be actively involved as a space traveler.
See also
Web links
- (8722) Schirra in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (8722) Schirra in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances by (8722) Schirra according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)