585 Bilkis
Bilkis (minor planet designation: 585 Bilkis) is a minor planet orbiting the Sun. It was discovered by German astronomer August Kopff in 1906 February and was given the Koran name for the Queen of Sheba. Photometric observations at the Palmer Divide Observatory in Colorado Springs, Colorado in 2006–7 were used to build a light curve for this object. The asteroid displayed a rotation period of 8.5742 ± 0.0005 hours and a brightness variation of 0.40 ± 0.02 in magnitude.[2]
| Discovery | |
|---|---|
| Discovered by | A. Kopff |
| Discovery site | Heidelberg |
| Discovery date | 16 February 1906 |
| Designations | |
| (585) Bilkis | |
| Pronunciation | /ˈbɪlkɪs/ |
| 1906 TA | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.16 yr (40236 d) |
| Aphelion | 2.7440 AU (410.50 Gm) |
| Perihelion | 2.1173 AU (316.74 Gm) |
| 2.4307 AU (363.63 Gm) | |
| Eccentricity | 0.12892 |
| 3.79 yr (1384.2 d) | |
| 60.5077° | |
| 0° 15m 36.288s / day | |
| Inclination | 7.5679° |
| 180.293° | |
| 328.948° | |
| Physical characteristics | |
Mean radius | 29.045±0.65 km |
| 8.5751 h (0.35730 d) | |
| 0.0362±0.002 | |
| 10.40 | |
References
- "585 Bilkis (1906 TA)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- Warner, Brian D. (April 2011), "Upon Further Review: VI. An Examination of Previous Lightcurve Analysis from the Palmer Divide Observatory", The Minor Planet Bulletin, 38 (2): 96–111, Bibcode:2011MPBu...38...96W
External links
- Lightcurve plot of 585 Bilkis, Palmer Divide Observatory, B. D. Warner (2001)
- Lightcurves 585 Bilkis, tripod.com
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 585 Bilkis at AstDyS-2, Asteroids—Dynamic Site
- 585 Bilkis at the JPL Small-Body Database
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