(7639) Offutt

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Asteroid
(7639) Offutt
Properties of the orbit ( animation )
Epoch:  4th September 2017 ( JD 2,458,000.5)
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

  1. The family membership of (7639) Offutt in the AstDyS-2 database (English)

Web links