1268 Libya
1268 Libya, provisional designation 1930 HJ, is a dark Hildian asteroid from the outer regions of the asteroid belt, approximately 95 kilometers in diameter. It was discovered on 29 April 1930, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg, South Africa. The asteroid was named for the country Libya.
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 29 April 1930 |
| Designations | |
MPC designation | (1268) Libya |
Named after | Libya (country) |
Alternative designations | 1930 HJ · 1929 EA 1930 KN |
Minor planet category | main-belt · (outer) Hilda |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 87.09 yr (31,811 days) |
| Aphelion | 4.3787 AU |
| Perihelion | 3.5686 AU |
Semi-major axis | 3.9737 AU |
| Eccentricity | 0.1019 |
Orbital period (sidereal) | 7.92 yr (2,893 days) |
Mean anomaly | 157.54° |
Mean motion | 0° 7m 27.84s / day |
| Inclination | 4.4272° |
Longitude of ascending node | 351.00° |
| 119.43° | |
| Jupiter MOID | 0.7451 AU |
| Physical characteristics | |
| Dimensions | 93.44±1.42 km 94.10±2.3 km 96.708±0.848 km |
Synodic rotation period | 14.05 h 14.05008 h |
| 0.043±0.003 0.0449±0.002 0.046±0.002 | |
| Tholen = P B–V = 0.663 U–B = 0.228 | |
| 9.12 · 9.19±0.33 | |
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