37 Fides
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Discovery
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Discovered by | R. Luther |
Discovery date | October 5, 1855 |
Designations
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Alternative names | 1925 WH |
Minor planet category |
Main belt |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 464.908 Gm (3.108 AU) |
Perihelion | 325.340 Gm (2.175 AU) |
Semi-major axis | 395.124 Gm (2.641 AU) |
Eccentricity | 0.177 |
Orbital period | 1567.873 d (4.29 a) |
Average orbital speed | 18.18 km/s |
Mean anomaly | 29.315° |
Inclination | 3.073° |
Longitude of ascending node | 7.409° |
Argument of perihelion | 62.683° |
Physical characteristics
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Dimensions | 108.3 km |
Mass | 1.3×1018 kg |
Mean density | 2.0 g/cm³ |
Equatorial surface gravity | 0.0303 m/s² |
Escape velocity | 0.0573 km/s |
Rotation period | 0.3055 d (7.332 h) [1] |
Albedo | 0.183 [2] |
Temperature | ~167 K |
Spectral type | S |
Absolute magnitude | 7.29 |
37 Fides (IPA: /ˈfaɪdiz/) is a large main belt asteroid.
It was discovered by R. Luther on October 5, 1855 and named after Fides, the Roman goddess of loyalty.
[edit] References
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