(2274) Ehrsson
Asteroid (2274) Ehrsson |
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Properties of the orbit ( animation ) | |
Orbit type | Inner main belt |
Major semi-axis | 2,410 AU |
eccentricity | 0.230 |
Perihelion - aphelion | 1.856 AU - 2.963 AU |
Inclination of the orbit plane | 2.247 ° |
Length of the ascending node | 348.278 ° |
Argument of the periapsis | 187.153 ° |
Time of passage of the perihelion | May 28, 2017 |
Sidereal period | 3.74 a |
Physical Properties | |
Medium diameter | 7.680 ± 0.060 km |
Albedo | 0.360 ± 0.062 |
Rotation period | 78 h |
Absolute brightness | 12.6 mag |
Spectral class | Tholen: SG |
history | |
Explorer | Claes-Ingvar Lagerkvist |
Date of discovery | March 2, 1976 |
Another name | 1976 EA ; 1931 AU; 1935 FO; 1950 HN 1 ; 1957 DB |
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. |
(2274) Ehrsson ( 1976 EA ; 1931 AU ; 1935 FO ; 1950 HN 1 ; 1957 DB ) is an asteroid of the inner main belt , which was discovered on March 2, 1976 by the Swedish astronomer Claes-Ingvar Lagerkvist at the observatory Kvistaberg in the municipality of Upplands-Bro between Uppsala and Stockholm ( IAU code 049) was discovered.
designation
(2274) Ehrsson was named after a friend of the explorer Claes-Ingvar Lagerkvist.
Web links
- (2274) Ehrsson in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2274) Ehrsson in the Small-Body Database of the Jet Propulsion Laboratory .
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. 185 (English, 992 pp., Link.springer.com [ONLINE; accessed on November 4, 2017] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named in honor of a friend of the discoverer. "