6267 Rozhen
| Discovery | |
|---|---|
| Discovered by | E. W. Elst |
| Discovery site | Rozhen Obs. |
| Discovery date | 20 September 1987 |
| Designations | |
| MPC designation | 6267 Rozhen |
|
Named after
|
Rozhen Observatory (discovering observatory) |
|
1987 SO9 · 1971 SP 1979 BR2 |
|
| main-belt · Flora | |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 66.95 yr (24,454 days) |
| Aphelion | 2.3580 AU |
| Perihelion | 1.9661 AU |
| 2.1620 AU | |
| Eccentricity | 0.0906 |
| 3.18 yr (1,161 days) | |
| 10.489° | |
| 0° 18m 36s / day | |
| Inclination | 2.1034° |
| 136.75° | |
| 315.56° | |
| Physical characteristics | |
| Dimensions | 3.02 km (calculated) |
|
3.980±0.020 h 3.9847±0.0007 h |
|
| 0.24 (assumed) | |
| S | |
| 14.270±0.120 (R) · 14.3 · 14.316±0.001 (R) · 14.77 · 14.79±0.28 | |
6267 Rozhen, provisional designation 1987 SO9, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 3 kilometers in diameter. It was discovered on 20 September 1987, by Belgian astronomer Eric Elst at Rozhen Observatory near Smoljan, Bulgaria. For four days, between 27 and 31 January 2005, the body was briefly and erroneously renamed 6267 Smolyan.
The S-type asteroid is a member of the Flora family, one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 2.0–2.4 AU once every 3 years and 2 months (1,161 days). Its orbit has an eccentricity of 0.09 and an inclination of 2° with respect to the ecliptic. The first precovery was taken at Palomar Observatory in 1949, extending the asteroid's observation arc by 38 years prior to its discovery.
In January 2014, two rotational light-curves for this asteroid were obtained from photometric observations at the U.S. Palomar Transient Factory, California. They rendered a rotation period of 3.9847±0.0007 and 3.980±0.020 hours with a brightness variation of 0.14 and 0.12 in magnitude (U=2/2), respectively. The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24, derived from the Flora family's largest member and namesake, the asteroid 8 Flora, and calculates a diameter of 3.0 kilometers, based on an absolute magnitude of 14.77.
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