(7639) Offutt
Asteroid (7639) Offutt |
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Properties of the orbit ( animation ) | |
Orbit type | Outer main belt |
Asteroid family | Themis family |
Major semi-axis | 3.2370 AU |
eccentricity | 0.1172 |
Perihelion - aphelion | 2.8576 AU - 3.6163 AU |
Inclination of the orbit plane | 0.6654 ° |
Length of the ascending node | 156.8605 ° |
Argument of the periapsis | 25.3919 ° |
Sidereal period | 5.82 a |
Mean orbital velocity | 16.58 km / s |
Physical Properties | |
Medium diameter | 12.202 ± 0.217 km |
Albedo | 0.082 ± 0.009 |
Absolute brightness | 13.0 likes |
history | |
Explorer | Oak Ridge Observatory |
Date of discovery | February 21, 1985 |
Another name | 1985 DC 1 , 1991 GK 2 |
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. |
(7639) Offutt is a major outer belt asteroid discovered on February 21, 1985 by the team of astronomers at the Oak Ridge Observatory ( IAU code 801).
It was named on February 11, 1998 after the American amateur astronomer Warren B. Offutt (1928-2017), whose observation of the Uranus moon Sycorax contributed significantly to its precise orbit determination.
The celestial body belongs to the Themis family, a group of asteroids named after (24) Themis .
See also
Individual evidence
- ↑ The family membership of (7639) Offutt in the AstDyS-2 database (English)
Web links
- Asteroid Offutt: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Offutt in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (7639) Offutt in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).