399 Persephone
From Infogalactic: the planetary knowledge core
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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