(2870) main
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Asteroid (2870) main |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2.3922 ± 0.0001 AU |
| eccentricity | 0.2099 ± 0.0004 |
| Perihelion - aphelion | 1.8901 ± 0.0009 AU - 2.8943 ± 0.00001 AU |
| Inclination of the orbit plane | 4.1605 ± 0.0398 ° |
| Length of the ascending node | 85.9447 ± 0.542 ° |
| Argument of the periapsis | 280.0743 ± 0.5498 ° |
| Time of passage of the perihelion | 29 January 2019 |
| Sidereal period | 3.7 a ± 0.0824 d |
| Physical Properties | |
| Medium diameter | 14.930 ± 0.137 km |
| Albedo | 0.053 ± 0.004 |
| Rotation period | 274 h |
| Absolute brightness | 12.9 mag |
| history | |
| Explorer |
 Edward LG Bowell
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| Date of discovery | 4th June 1981 |
| Another name | 1981 LD ; 1959 RY; 1963 UP; 1963 VL |
| 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. | |
(2870) Haupt ( 1981 LD ; 1959 RY ; 1963 UP ; 1963 VL ) is an approximately 15 km large asteroid of the inner main belt that was discovered on June 4, 1981 by the American astronomer Edward LG Bowell at the Lowell Observatory , Anderson Mesa Station ( Anderson Mesa ) near Flagstaff , Arizona ( IAU code 688).
designation
(2870) Haupt was named after the Austrian astronomer Hermann F. Haupt (1926-2017), who was the director of the Graz University Observatory (IAU code 580). As one of the pioneers of the photometry of small planets , he made photoelectric observations at the Lick Observatory (IAU code 662) in 1951 and 1952 .
See also
Web links
- (2870) Main in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2870) Main 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. 186 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 20, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1981 LD. Discovered 1981 June 4 by E. Bowell at Anderson Mesa. "
| predecessor | asteroid | successor |
|---|---|---|
| (2869) Nepryadva | numbering | (2871) Schober |