399 Persephone
|
A three-dimensional model of 399 Persephone based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 23 February 1895 |
| Designations | |
Named after | Persephone |
| 1895 BP | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 120.99 yr (44191 d) |
| Aphelion | 3.2761 AU (490.10 Gm) |
| Perihelion | 2.82735 AU (422.966 Gm) |
| 3.0517 AU (456.53 Gm) | |
| Eccentricity | 0.073517 |
| 5.33 yr (1947.2 d) | |
Average orbital speed | 17.04 km/s |
| 255.116° | |
| 0° 11m 5.568s / day | |
| Inclination | 13.113° |
| 346.391° | |
| 194.023° | |
| Earth MOID | 1.83259 AU (274.152 Gm) |
| Jupiter MOID | 1.70943 AU (255.727 Gm) |
| Jupiter Tisserand parameter | 3.193 |
| Physical characteristics | |
| Dimensions | 49.13±4.0 km |
| Mass | ~1.2×1017 kg |
Mean density | 2.0? g/cm³ |
Equatorial surface gravity | ~0.0137 m/s² |
Equatorial escape velocity | ~0.0260 km/s |
| 9.136 h (0.3807 d) | |
| 0.1838±0.034 | |
| Temperature | ~159 K |
| 9.0,[1] 8.91[2] | |
|
| |
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399 Persephone is a main belt asteroid. It was discovered by German astronomer Max Wolf on February 23, 1895 in Heidelberg.[3]
References
- 1 2 Yeomans, Donald K., "399 Persephone", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016.
- ↑ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
- ↑ Schmadel, Lutz D. (2003). Dictionary of minor planet names. Springer. p. 48. ISBN 978-3-540-00238-3.
External links
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