1323 Tugela
1323 Tugela, provisional designation 1934 LD, is a dark background asteroid from the outer regions of the asteroid belt, approximately 60 kilometers in diameter. It was discovered on 19 May 1934, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg. The asteroid was named for the Tugela River in western South Africa.
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 19 May 1934 |
| Designations | |
MPC designation | (1323) Tugela |
Named after | Tugela River (South African river) |
Alternative designations | 1934 LD · 1974 HR3 1974 KM · 1974 KO A908 UB · A911 HC |
Minor planet category | main-belt · (outer) background |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.02 yr (39,818 days) |
| Aphelion | 3.7100 AU |
| Perihelion | 2.7510 AU |
Semi-major axis | 3.2305 AU |
| Eccentricity | 0.1484 |
Orbital period (sidereal) | 5.81 yr (2,121 days) |
Mean anomaly | 234.50° |
Mean motion | 0° 10m 10.92s / day |
| Inclination | 18.787° |
Longitude of ascending node | 45.241° |
| 136.10° | |
| Physical characteristics | |
| Dimensions | 58.44±3.4 km 58.50 km (derived) 62.00±19.32 km 63.45±0.94 km 67.76±25.28 km 78.295±0.511 km 90.557±0.542 km 110.11±1.73 km |
Synodic rotation period | 19.50±0.02 h 19.777±0.0365 h |
| 0.018±0.004 0.0236±0.0044 0.04±0.02 0.04±0.03 0.048±0.002 0.0567±0.007 0.0620 (derived) | |
| SMASS = Xc P · C (assumed) | |
| 9.56±0.62 · 9.80 · 9.84 · 9.90 · 10.245±0.001 (S) | |
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