289 Nenetta
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 10 March 1890 |
| Designations | |
| Main belt | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 113.69 yr (41526 d) |
| Aphelion | 3.46101 AU (517.760 Gm) |
| Perihelion | 2.28661 AU (342.072 Gm) |
| 2.87381 AU (429.916 Gm) | |
| Eccentricity | 0.20433 |
| 4.87 yr (1779.4 d) | |
|
Average orbital speed
|
17.58 km/s |
| 104.307° | |
| 0° 12m 8.316s / day | |
| Inclination | 6.69535° |
| 182.114° | |
| 189.219° | |
| Earth MOID | 1.28555 AU (192.316 Gm) |
| Jupiter MOID | 1.99522 AU (298.481 Gm) |
| Jupiter Tisserand parameter | 3.256 |
| Physical characteristics | |
| Dimensions | 33.73±2.6 km |
| 6.902 h (0.2876 d) | |
| 0.2438±0.042 | |
| 9.51 | |
289 Nenetta is a typical Main belt asteroid. It was discovered by Auguste Charlois on March 10, 1890 in Nice.
The spectrum of 289 Nenetta reveals the strong presence of the mineral Olivine, a relative rarity in the asteroid belt.
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Wikipedia