1430 Somalia
1430 Somalia, provisional designation 1937 NK, is a stony background asteroid from the central regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 5 July 1937, by astronomer Cyril Jackson at the Union Observatory in Johannesburg. It was named for the African country of Somalia.
Modelled shape of Somalia from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 5 July 1937 |
| Designations | |
MPC designation | (1430) Somalia |
Named after | Somalia (African country) |
Alternative designations | 1937 NK · 1929 RQ 1954 UR1 · 1957 HT 1962 VF |
Minor planet category | main-belt · (middle) background · Astraea |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 79.73 yr (29,122 days) |
| Aphelion | 3.0674 AU |
| Perihelion | 2.0508 AU |
Semi-major axis | 2.5591 AU |
| Eccentricity | 0.1986 |
Orbital period (sidereal) | 4.09 yr (1,495 days) |
Mean anomaly | 184.53° |
Mean motion | 0° 14m 26.88s / day |
| Inclination | 3.2883° |
Longitude of ascending node | 327.25° |
| 351.42° | |
| Physical characteristics | |
| Dimensions | 8.77±1.58 km 9.352±0.133 km 9.44±0.36 km 9.674±0.089 km 10.79 km (calculated) |
Synodic rotation period | 6.90907±0.00005 h 6.910±0.001 h 6.913±0.001 h |
| 0.1436±0.0287 0.153±0.032 0.162±0.014 0.20 (assumed) 0.31±0.14 | |
| S (assumed) | |
| 12.1 · 12.2 · 12.35±0.35 · 12.41 · 12.80 | |
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