268 Adorea
| Discovery | |
|---|---|
| Discovered by | A. Borrelly |
| Discovery date | 8 June 1887 |
| Designations | |
| n/a | |
| Main belt (Themis) | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.30 yr (39920 d) |
| Aphelion | 3.51475 AU (525.799 Gm) |
| Perihelion | 2.66832 AU (399.175 Gm) |
| 3.09154 AU (462.488 Gm) | |
| Eccentricity | 0.13689 |
| 5.44 yr (1985.5 d) | |
Average orbital speed | 16.93 km/s |
| 302.257° | |
| 0° 10m 52.748s / day | |
| Inclination | 2.44010° |
| 120.914° | |
| 69.5742° | |
| Earth MOID | 1.66931 AU (249.725 Gm) |
| Jupiter MOID | 1.44407 AU (216.030 Gm) |
| Jupiter Tisserand parameter | 3.209 |
| Physical characteristics | |
| Dimensions |
139.89±5.2 km[1] 140.31 ± 3.34 km[2] |
| Mass | (3.25 ± 2.26) × 1018 kg[2] |
Mean density | 2.24 ± 1.56 g/cm3[2] |
| 7.80 h (0.325 d) | |
| 0.0440±0.003 | |
| FC | |
| 8.28 | |
|
| |
268 Adorea is a very large Themistian asteroid. It is classified as a primitive carbonaceous F-type/C-type asteroid.
It was discovered by A. Borrelly on June 8, 1887 in Marseilles.
References
- 1 2 "268 Adorea". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- 1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 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
- 268 Adorea at the JPL Small-Body Database
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