308 Polyxo
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| Discovery | |
|---|---|
| Discovered by: | A. Borrelly |
| Discovery date: | March 31, 1891 |
| Orbital characteristics | |
| Epoch 30 January, 2005 (JD 2453400.5) | |
| Aphelion | 427.242 Gm (2.856 AU) |
| Perihelion: | 395.843 Gm (2.646 AU) |
| Semi-major axis: | 411.542 Gm (2.751 AU) |
| Eccentricity: | 0.038 |
| Orbital period: | 1666.571 d (4.56 a) |
| Mean anomaly: | 248.11° |
| Inclination: | 4.364° |
| Longitude of ascending node: | 181.927° |
| Argument of perihelion: | 109.987° |
| Physical characteristics | |
| Dimensions: | 141.0 km |
| Mass: | unknown |
| Mean density: | unknown |
| Escape velocity: | unknown |
| Rotation period: | unknown |
| Albedo: | unknown |
308 Polyxo is a very big Main belt asteroid. It is classified as a rare T-type asteroid.
It was found by A. Borrelly on March 31, 1891 in Marseilles.
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307 Nike | 308 Polyxo | 309 Fraternitas
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| Near-Earth asteroids · Main belt · Jupiter Trojans · Neptune Trojans · Comets · Kuiper belt · Oort cloud |
