317 Roxane
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| Discovery A | |
|---|---|
| Discoverer | Auguste Charlois |
| Discovery date | September 11, 1891 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.085 |
| Semi-major axis (a) | 342.028 Gm (2.286 AU) |
| Perihelion (q) | 312.895 Gm (2.092 AU) |
| Aphelion (Q) | 371.161 Gm (2.481 AU) |
| Orbital period (P) | 1262.685 d (3.46 a) |
| Mean orbital speed | 19.7 km/s |
| Inclination (i) | 1.763° |
| Longitude of the ascending node (Ω) |
151.46° |
| Argument of perihelion (ω) |
186.863° |
| Mean anomaly (M) | 282.211° |
| Physical characteristics D | |
| Dimensions | 19.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 10.03 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
317 Roxane is a typical Main belt asteroid.
It was discovered by Auguste Charlois on September 11, 1891 in Nice, and was at first named Roxana.[1]
[edit] References
- ^ Charlois, A.; Benennung von kleinen Planeten, Astronomische Nachrichten, Vol. 132, No. 3155, p. 175
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