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Discovery
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| Discovered by | Auguste Charlois |
| Discovery date | November 14, 1890 |
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Designations
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| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 400.215 Gm (2.675 AU) |
| Perihelion | 319.384 Gm (2.135 AU) |
| Semi-major axis | 359.8 Gm (2.405 AU) |
| Eccentricity | 0.112 |
| Orbital period | 1362.364 d (3.73 a) |
| Average orbital speed | 19.21 km/s |
| Mean anomaly | 184.296° |
| Inclination | 3.413° |
| Longitude of ascending node | 7.967° |
| Argument of perihelion | 54.677° |
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Physical characteristics
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| Dimensions | 39.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | C |
| Absolute magnitude (H) | 10.89 |
302 Clarissa is a typical Main belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
It was discovered by Auguste Charlois on November 14, 1890 in Nice.
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