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Suggest pages331 Etheridgea
From Wikipedia, the free encyclopedia
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This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009) |
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Discovery
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| Discovered by | Auguste Charlois |
| Discovery date | April 1, 1892 |
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Designations
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| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 498.969 Gm (3.335 AU) |
| Perihelion | 405.637 Gm (2.712 AU) |
| Semi-major axis | 452.303 Gm (3.023 AU) |
| Eccentricity | 0.103 |
| Orbital period | 1920.198 d (5.26 a) |
| Average orbital speed | 17.13 km/s |
| Mean anomaly | 18.924° |
| Inclination | 6.052° |
| Longitude of ascending node | 22.205° |
| Argument of perihelion | 335.206° |
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Physical characteristics
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| Dimensions | 75.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | unknown |
| Absolute magnitude (H) | 9.62 |
331 Etheridgea is a large Main belt asteroid.
It was discovered by Auguste Charlois on April 1, 1892 in Nice.
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