(2990) Trimberger
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Asteroid (2990) Trimberger |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Asteroid family | Hertha family |
| Major semi-axis | 2.4391 ± 0.0001 AU |
| eccentricity | 0.1212 ± 0.0004 |
| Perihelion - aphelion | 2.1435 ± 0.001 AU - 2.7348 ± 0.0001 AU |
| Inclination of the orbit plane | 2.8006 ± 0.0455 ° |
| Length of the ascending node | 171.8126 ± 0.6832 ° |
| Argument of the periapsis | 319.1907 ± 0.7058 ° |
| Time of passage of the perihelion | November 27, 2018 |
| Sidereal period | 3.81 a ± 0.0682 d |
| Physical Properties | |
| Medium diameter | 10.828 ± 0.692 km |
| Albedo | 0.055 ± 0.012 |
| Absolute brightness | 13.8 mag |
| history | |
| Explorer |
 Scolded John Bus
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| Date of discovery | March 2, 1981 |
| Another name | 1981 EN 27 ; 1973 AQ 1 ; 1977 GL |
| 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. | |
(2990) Trimberger ( 1981 EN 27 ; 1973 AQ 1 ; 1977 GL ) is an approximately eleven-kilometer asteroid of the main inner belt that was discovered on March 2, 1981 by the American astronomer Schelte John Bus at the Siding Spring Observatory nearby from Coonabarabran , New South Wales in Australia ( IAU code 260). It belongs to the Hertha family , a group of asteroids named after (135) Hertha .
designation
(2990) Trimberger is named after Stephen Trimberger , who participated in the Planet-Crossing Asteroid Survey as a student at the California Institute of Technology . He works in software development and has authored two books on computer-aided design for integrated circuits.
See also
Web links
- (2990) Trimberger in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2990) Trimberger 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 28, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1981 EN 27 . Discovered 1981 Mar. 2 by SJ Bus at Siding Spring. "
| predecessor | asteroid | successor |
|---|---|---|
| (2989) Imago | numbering | (2991) Bilbo |