Discovery | |
---|---|
Discovered bi | John Russell Hind |
Discovery date | September 13, 1850 |
Designations | |
Pronunciation | /vɪkˈtɔəriə/ |
Named after | Victoria (Laitin: Uictōria) |
Alternative names | none |
Minor planet category | Main belt |
Orbital chairactereestics[1] | |
Epoch July 14, 2004 (JD 2453200.5) | |
Aphelion | 426.234 Gm (2.849 AU) |
Perihelion | 272.097 Gm (1.819 AU) |
349.166 Gm (2.334 AU) | |
Eccentricity | 0.221 |
Orbital period | 1302.439 d (3.57 a) |
Average orbital speed | 19.50 km/s |
Mean anomaly | 80.591° |
Inclination | 8.363° |
Longitude o ascendin node | 235.547° |
Argument o perihelion | 69.747° |
Pheesical chairacteristics | |
Dimensions | 112.8 ± 3.1 km (IRAS)[1] 124.09 ± 8.31[2] km |
Mass | (2.45 ± 0.46) × 1018[2] kg |
Mean density | 2.45 ± 0.67[2] g/cm3 |
Surface gravity | 0.0315 m/s² |
Escape velocity | 0.0596 km/s |
0.3608 d (8.6599 h)[1] | |
Albedo | 0.177 (geometric)[1] |
Temperatur | ~178 K |
Spectral teep | S-type asteroid[1] |
Apparent magnitude | 8.68[3] to 12.82 |
7.24[1] | |
Angular diameter | 0.188" tae 0.04" |
12 Victoria is a lairge main-belt asteroid.