(2928) Epstein
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Asteroid (2928) Epstein |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Eos family |
| Major semi-axis | 3.0091 ± 0.0002 AU |
| eccentricity | 0.0631 ± 0.0004 |
| Perihelion - aphelion | 2.8191 ± 0.0012 AU - 3.199 ± 0.0002 AU |
| Inclination of the orbit plane | 9.5358 ± 0.05 ° |
| Length of the ascending node | 310.3464 ± 0.2244 ° |
| Argument of the periapsis | 156.8325 ± 0.4073 ° |
| Time of passage of the perihelion | October 18, 2016 |
| Sidereal period | 5.22 a ± 0.1714 d |
| Physical Properties | |
| Medium diameter | 15.267 ± 1.967 km |
| Albedo | 0.204 ± 0.245 |
| Absolute brightness | 11.5 likes |
| history | |
| Explorer |
 Felix Aguilar Observatory
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| Date of discovery | April 5th 1976 |
| Another name | 1976 GN 8 ; 1968 UD; 1976 HU; 1981 EX 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. | |
(2928) Epstein ( 1976 GN 8 ; 1968 UD ; 1976 HU ; 1981 EX 2 ) is an approximately 15 km large asteroid of the outer main belt that was discovered on April 5, 1976 at the Felix Aguilar Observatory in the El Leoncito National Park in the province of San Juan was discovered in Argentina ( IAU code 808). It belongs to the Eos family , a group of asteroids named after (221) Eos .
designation
(2928) Epstein was by Isadore Epstein , emeritus professor at Columbia University and former director of the Harriman Observatory named. From 1957 to 1962 he carried out extensive site tests for a southern observatory in Australia , Chile and Argentina, which led to the inauguration of the Yale-Columbia Southern Observatory on March 30, 1965.
See also
Web links
- (2928) Epstein in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2928) Epstein 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 23, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1976 GN 8 . Discovered 1976 Apr. 5 at the Felix Aguilar Observatory at El Leoncito. "
| predecessor | asteroid | successor |
|---|---|---|
| (2927) Alamosa | numbering | (2929) Harris |