181 Eucharis
From Wikipedia, the free encyclopedia
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Discovery
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| Discovered by | Pablo Cottenot |
| Discovery date | February 2, 1878 |
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Designations
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| Alternative names | A906 GA |
| Minor planet category |
Main belt |
| Epoch June 14, 2006 (JD 2453900.5) | |
| Aphelion | 562.742 Gm (3.762 AU) |
| Perihelion | 376.603 Gm (2.517 AU) |
| Semi-major axis | 469.672 Gm (3.140 AU) |
| Eccentricity | 0.198 |
| Orbital period | 2031.902 d (5.56 a) |
| Average orbital speed | 16.64 km/s |
| Mean anomaly | 95.743° |
| Inclination | 18.801° |
| Longitude of ascending node | 143.652° |
| Argument of perihelion | 317.284° |
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Physical characteristics
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| Dimensions | 106.0 km |
| Mass | 1.2×1018? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.0296? m/s² |
| Escape velocity | 0.0560? km/s |
| Rotation period | >1 d (>24 h) |
| Albedo | 0.115 4 |
| Temperature | ~156 K |
| Spectral type | K |
| Absolute magnitude | 7.84 |
181 Eucharis is a large, slowly rotating Main belt asteroid. It is classified as a K-type asteroid. It is named after Eucharis, a Greek nymph.
It was discovered by French astronomer Pablo Cottenot on February 2, 1878 from Marseille Observatory. It was his only asteroid discovery.
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