210 Isabella
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 12 November 1879 |
| Designations | |
| MPC designation | (210) Isabella |
| 1953 EZ1, 1962 BF | |
| Main belt (Nemesis) | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 131.26 yr (47943 d) |
| Aphelion | 3.0567 AU (457.28 Gm) |
| Perihelion | 2.3892 AU (357.42 Gm) |
| 2.7230 AU (407.36 Gm) | |
| Eccentricity | 0.12257 |
| 4.49 yr (1641.2 d) | |
|
Average orbital speed
|
18.05 km/s |
| 153.338° | |
| 0° 13m 9.66s / day | |
| Inclination | 5.2600° |
| 32.582° | |
| 15.041° | |
| Earth MOID | 1.39776 AU (209.102 Gm) |
| Jupiter MOID | 2.32424 AU (347.701 Gm) |
| Jupiter Tisserand parameter | 3.341 |
| Physical characteristics | |
| Dimensions |
86.65±2.3 km 73.70 ± 8.47 km |
| Mass | (3.41 ± 1.09) × 1018 kg |
| 6.672 h (0.2780 d) | |
| 0.0436±0.002 | |
| CF | |
| 12.2 (peak) | |
| 9.33 | |
210 Isabella is a large and dark asteroid from the central asteroid belt, approximately 80 kilometers in diameter. It was discovered in Pola by Johann Palisa on 12 November 1879. The origin of the name is unknown. The asteroid is probably composed of material similar to carbonaceous chondrites. It is classified as a member of the Nemesis family of asteroids.
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