|
Discovery
|
|
|---|---|
| Discovered by | Christian Heinrich Friedrich Peters |
| Discovery date | November 12, 1862 |
|
Designations
|
|
| Named after | Frigg |
| Alternate name(s) | |
| Minor planet category |
Main belt |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 452.196 Gm (3.023 AU) |
| Perihelion | 346.228 Gm (2.314 AU) |
| Semi-major axis | 399.212 Gm (2.669 AU) |
| Eccentricity | 0.133 |
| Orbital period | 1592.266 d (4.36 a) |
| Average orbital speed | 18.15 km/s |
| Mean anomaly | 346.682° |
| Inclination | 2.433° |
| Longitude of ascending node | 1.332° |
| Argument of perihelion | 61.419° |
|
Physical characteristics
|
|
| Dimensions | 69.2 km |
| Mass | 3.5×1017 kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | 0.0193 m/s² |
| Escape velocity | 0.0366 km/s |
| Rotation period | ? d |
| Albedo | 0.144 [1] |
| Temperature | ~170 K |
| Spectral type | M |
| Absolute magnitude (H) | 8.52 |
77 Frigga ( /ˈfrɪɡə/ frig-ə) is a large, M-type, possibly metallic main-belt asteroid. It was discovered by C. H. F. Peters on November 12, 1862. It is named after Frigg, the Norse goddess.
|
|
|||||
|
||||||||||||||||||||||