1468 Zomba
1468 Zomba, provisional designation 1938 PA, is a stony asteroid and large Mars-crosser near the innermost regions of the asteroid belt, approximately 7 kilometers in diameter. Discovered by Cyril Jackson at Johannesburg Observatory in 1938, the asteroid was named after the city of Zomba in the Republic of Malawi.
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 23 July 1938 |
| Designations | |
MPC designation | (1468) Zomba |
Named after | Zomba (Malawian city) |
Alternative designations | 1938 PA |
Minor planet category | Mars-crosser |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 78.47 yr (28,660 days) |
| Aphelion | 2.7913 AU |
| Perihelion | 1.5998 AU |
Semi-major axis | 2.1956 AU |
| Eccentricity | 0.2713 |
Orbital period (sidereal) | 3.25 yr (1,188 days) |
Mean anomaly | 95.275° |
Mean motion | 0° 18m 10.8s / day |
| Inclination | 9.9388° |
Longitude of ascending node | 308.93° |
| 23.188° | |
| Physical characteristics | |
| Dimensions | 6.97±1.39 km 8.57 km (calculated) |
Synodic rotation period | 2.769±0.005 h 2.77 h 2.772±0.006 h 2.773±0.001 h |
| 0.20 (assumed) 0.302±0.121 | |
| Q · S (assumed) | |
| 12.70 · 13.05±0.45 | |
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