(2975) Spahr
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Asteroid (2975) Spahr |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2.2481 ± 0.0001 AU |
| eccentricity | 0.0948 ± 0.0004 |
| Perihelion - aphelion | 2.0349 ± 0.0009 AU - 2.4612 ± 0.0001 AU |
| Inclination of the orbit plane | 6.8981 ± 0.0396 ° |
| Length of the ascending node | 236.5784 ± 0.3723 ° |
| Argument of the periapsis | 316.8454 ± 0.4276 ° |
| Time of passage of the perihelion | 20th October 2017 |
| Sidereal period | 3.37 a ± 0.0688 d |
| Physical Properties | |
| Medium diameter | 5.919 ± 0.107 km |
| Albedo | 0.419 ± 0.085 |
| Rotation period | 11.946 h |
| Absolute brightness | 13.0 likes |
| history | |
| Explorer |
.svg){kind=small} Heino Iogannowitsch Potter , A. Lokalow
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| Date of discovery | January 8, 1970 |
| Another name | 1970 AF 1 ; 1957 HU; 1967 GH; 1970 AK 1 ; 1970 CB; 1978 PF 4 |
| 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. | |
(2975) Spahr ( 1970 AF 1 ; 1957 HU ; 1967 GH ; 1970 AK 1 ; 1970 CB ; 1978 PF 4 ) is an approximately six kilometers large asteroid of the inner main belt that was destroyed on January 8, 1970 by the Russian (then: Soviet Union ) Astronomers Heino Iogannowitsch Potter and A. Lokalow at the Cerro El Roble Observatory on which Cerro El Roble was discovered in the La Campana National Park in the Región de Valparaíso in Chile ( IAU code 805).
designation
(2975) Spahr was named after the American astronomer Timothy B. Spahr (* 1970), who was involved in the Bigelow Sky Survey . The name was given by the American astronomers Brian Marsden , GV Williams and SM Larson .
See also
Web links
- (2975) Spahr in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2975) Spahr in the Small-Body Database of the Jet Propulsion Laboratory (English).
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 27, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1970 AF 1 . Discovered 1970 Jan. 8 by H. Potter and A. Lokalov at Cerro El Roble. "
| predecessor | asteroid | successor |
|---|---|---|
| (2974) Holden | numbering | (2976) Lautaro |