201 Penelope
From Wikipedia, the free encyclopedia
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Discovery
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| Discovered by | Johann Palisa |
| Discovery date | August 7, 1879 |
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Designations
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| Alternative names | A869 GA |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 473.219 Gm (3.163 AU) |
| Perihelion | 329.047 Gm (2.2 AU) |
| Semi-major axis | 401.133 Gm (2.681 AU) |
| Eccentricity | 0.18 |
| Orbital period | 1603.743 d (4.39 a) |
| Average orbital speed | 18.19 km/s |
| Mean anomaly | 215.135° |
| Inclination | 5.761° |
| Longitude of ascending node | 157.17° |
| Argument of perihelion | 180.769° |
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Physical characteristics
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| Dimensions | 68.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 3.74 h |
| Albedo | 0.160 |
| Temperature | unknown |
| Spectral type | M |
| Absolute magnitude | 8.43 |
201 Penelope is a large Main belt asteroid. It is classified as a M-type asteroid.
It was discovered by Johann Palisa on August 7, 1879 in Pola. It was his 17th discovery.
The asteroid is named after Penelope, the wife of Odysseus in Homer's The Odyssey.
[edit] References
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Parameters
- Asteroid Albedo Compilation
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