210 Isabella
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| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | November 12, 1879 |
| Designations | |
| Alternative names | 1953 EZ1, 1962 BF |
| Minor planet category | Main belt (Nemesis) |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 457.8 Gm (3.06 AU) |
| Perihelion | 356.48 Gm (2.383 AU) |
| Semi-major axis | 407.14 Gm (2.722 AU) |
| Eccentricity | 0.124 |
| Orbital period | 1639.903 d (4.49 a) |
| Average orbital speed | 18.05 km/s |
| Mean anomaly | 312.938° |
| Inclination | 5.261° |
| Longitude of ascending node | 32.859° |
| Argument of perihelion | 13.893° |
| Physical characteristics | |
| Dimensions | 73.70 ± 8.47[1] km |
| Mass | (3.41 ± 1.09) × 1018[1] kg |
| Albedo | 0.045 |
| Spectral type | CF |
| Apparent magnitude | 12.2 (peak) |
| Absolute magnitude (H) | 9.33 |
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210 Isabella is a large and dark Main belt asteroid that was discovered by Johann Palisa on November 12, 1879 in Pola. 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 asteroid family.
References
- ↑ 1.0 1.1 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
- Orbital simulation from JPL (Java) / Ephemeris
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