58 Concordia
From Wikipedia, the free encyclopedia
|
Discovery
|
|
|---|---|
| Discovered by | Karl Theodor Robert Luther |
| Discovery date | March 24, 1860 |
|
Designations
|
|
| Alternative names | |
| Minor planet category |
Main belt |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 421.526 Gm (2.818 AU) |
| Perihelion | 386.457 Gm (2.583 AU) |
| Semi-major axis | 403.991 Gm (2.701 AU) |
| Eccentricity | 0.043 |
| Orbital period | 1620.946 d (4.44 a) |
| Average orbital speed | 18.12 km/s |
| Mean anomaly | 15.122° |
| Inclination | 5.057° |
| Longitude of ascending node | 161.290° |
| Argument of perihelion | 34.465° |
|
Physical characteristics
|
|
| Dimensions | 93.4 km |
| Mass | 8.5×1017 kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | 0.0261 m/s² |
| Escape velocity | 0.0494 km/s |
| Rotation period | ? d |
| Albedo | 0.058 [1] |
| Temperature | ~169 K |
| Spectral type | C |
| Absolute magnitude | 8.86 |
58 Concordia is a quite large Main belt asteroid. It is classified as a C-type asteroid, so its surface is very dark and it is likely carbonaceous in composition. It was discovered by R. Luther on March 24, 1860. He named it after Concordia, the Roman goddess of harmony.
[edit] References
|
|||||
