3924 Birch

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Asteroid
(3924) Birch
Properties of the orbit ( animation )
Epoch:  December 9, 2014 ( JD 2,457,000.5)
Orbit type Main belt asteroid
Major semi-axis 2.7008  AU
eccentricity 0.1091
Perihelion - aphelion 2.4061 AU - 2.9955 AU
Inclination of the orbit plane 6.7056 °
Length of the ascending node 331.8233 °
Argument of the periapsis 94.6815 °
Sidereal period 4.44 a
Mean orbital velocity 18.12 km / s
Physical Properties
Medium diameter approx. 17 km
Rotation period 18.5 h
Absolute brightness 12.2 mag
history
Explorer Edward LG Bowell
Charles Thomas Kowal
Date of discovery February 11, 1977
Another name 1977 CU , 1968 DC, 1973 FC 1 , 1975 TG, 1977 EB, 1978 LF, 1980 CH 3 , 1984 SF 5
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.

(3924) Birch is an asteroid of the main belt which was discovered on February 11, 1977 by the American astronomer Edward LG Bowell at the Palomar Observatory ( IAU code 675) during the evaluation of photo plates exposed by Charles Thomas Kowal .

The asteroid was named after the Australian astronomer Peter V. Birch , who has worked at the Perth Observatory since 1970 , where he made a variety of observations as part of the International Planetary Patrol Program . In 1977 he was involved in the discovery of the rings of Uranus .

See also

Web links