1073 Gellivara
1073 Gellivara, provisional designation 1923 OW, is a dark Themistian asteroid, approximately 27 kilometers (17 miles) in diameter, located in the outer regions of the asteroid belt. It was discovered by Austrian astronomer Johann Palisa at the Vienna Observatory on 14 September 1923, and later named after the Swedish town of Gällivare.
Shape model of Gellivara from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | J. Palisa |
| Discovery site | Vienna Obs. |
| Discovery date | 14 September 1923 |
| Designations | |
MPC designation | (1073) Gellivara |
Named after | Gällivare (Swedish town) |
Alternative designations | 1923 OW · 1929 UJ 1932 EP · 1951 QL |
Minor planet category | main-belt · (outer) Themis |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 93.54 yr (34,165 days) |
| Aphelion | 3.7925 AU |
| Perihelion | 2.5826 AU |
Semi-major axis | 3.1875 AU |
| Eccentricity | 0.1898 |
Orbital period (sidereal) | 5.69 yr (2,079 days) |
Mean anomaly | 248.01° |
Mean motion | 0° 10m 23.52s / day |
| Inclination | 1.6043° |
Longitude of ascending node | 39.579° |
| 289.05° | |
| Physical characteristics | |
| Dimensions | 22.10±5.77 km 22.71±7.49 km 25.992±0.336 km 26.87±0.79 km 35.73±3.4 km 35.76 km (derived) |
Synodic rotation period | 11.32±0.05 h |
| 0.0241±0.005 0.0289 (derived) 0.045±0.003 0.0454±0.0047 0.07±0.04 0.07±0.08 | |
| C (assumed) | |
| 11.70 · 11.73 · 11.82±0.26 · 11.90 | |
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