399 Persephone
From Infogalactic: the planetary knowledge core
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A three-dimensional model of 399 Persephone based on its light curve.
|
|
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | February 23, 1895 |
| Designations | |
|
Named after
|
Persephone |
| 1895 BP | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 488.18 Gm (3.263 AU) |
| Perihelion | 426.404 Gm (2.85 AU) |
| 457.292 Gm (3.057 AU) | |
| Eccentricity | 0.068 |
| 1952.055 d (5.34 a) | |
|
Average orbital speed
|
17.04 km/s |
| 204.409° | |
| Inclination | 13.082° |
| 346.609° | |
| 189.387° | |
| Physical characteristics | |
| Dimensions | 49.1 km |
| Mass | ~1.2×1017 kg |
|
Mean density
|
2.0? g/cm³ |
| ~0.0137 m/s² | |
| ~0.0260 km/s | |
| Albedo | 0.10? |
| Temperature | ~159 K |
| 8.91[2] | |
399 Persephone is a main belt asteroid. It was discovered by German astronomer Max Wolf on February 23, 1895 in Heidelberg.[3]
References
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