268 Adorea
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | A. Borrelly |
| Discovery date | June 8, 1887 |
| Designations | |
| n/a | |
| Main belt (Themis) | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 524.338 Gm (3.505 AU) |
| Perihelion | 401.688 Gm (2.685 AU) |
| 463.013 Gm (3.095 AU) | |
| Eccentricity | 0.132 |
| 1988.806 d (5.45 a) | |
|
Average orbital speed
|
16.93 km/s |
| 260.208° | |
| Inclination | 2.437° |
| 120.977° | |
| 70.842° | |
| Physical characteristics | |
| Dimensions | 140.31 ± 3.34[1] km |
| Mass | (3.25 ± 2.26) × 1018[1] kg |
|
Mean density
|
2.24 ± 1.56[1] g/cm3 |
| 9.44 h | |
| Albedo | 0.044 |
|
Spectral type
|
FC |
| 8.28 | |
268 Adorea is a very large Themistian asteroid.[citation needed] 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
External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
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