1194 Aletta
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 13 May 1931 |
| Designations | |
| (1194) Aletta | |
Named after | Aletta Jackson (discoverer's wife) |
| 1931 JG · 1946 KC 1962 SB | |
| main-belt · (outer) | |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.07 yr (31,072 days) |
| Aphelion | 3.1812 AU |
| Perihelion | 2.6452 AU |
| 2.9132 AU | |
| Eccentricity | 0.0920 |
| 4.97 yr (1,816 days) | |
| 138.73° | |
| 0° 11m 53.52s / day | |
| Inclination | 10.870° |
| 291.32° | |
| 243.18° | |
| Physical characteristics | |
| Dimensions | 41.358±0.191 km 42.67±0.77 km 46.371±1.188 km 55.22±20.92 km 55.23 km (derived) 55.39±1.4 km |
| 19.7±0.1 h 20.39±0.01 h 20.3903±0.2170 h | |
| 0.03±0.03 0.0333 (derived) 0.0375±0.0065 0.0479±0.003 0.085±0.004 0.087±0.011 | |
| C | |
| 10.2 · 10.5 · 10.6 · 10.644±0.001 (R) | |
1194 Aletta, provisional designation 1931 JG, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 55 kilometers in diameter. It was discovered on 13 May 1931, by South African astronomer Cyril Jackson at Johannesburg Observatory in South Africa. It was later named after the discoverer's wife Aletta Jackson.