1912 Anubis
| Discovery [1] | |
|---|---|
| Discovered by | Palomar–Leiden survey C. J. van Houten, I. van Houten-Groeneveld and Tom Gehrels |
| Discovery site | Palomar Obs., Leiden Obs. |
| Discovery date | 24 September 1960 |
| Designations | |
| MPC designation | 1912 Anubis |
|
Named after
|
Anubis(Egyptian deity)[2] |
| 6534 P-L · 1938 DJ2 1943 DD · 1968 HQ |
|
| main-belt · Koronis [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 72.65 yr (26,537 days) |
| Aphelion | 3.1731 AU |
| Perihelion | 2.6335 AU |
| 2.9033 AU | |
| Eccentricity | 0.0929 |
| 4.95 yr (1,807 days) | |
| 356.25° | |
| Inclination | 3.1574° |
| 76.254° | |
| 316.34° | |
| Physical characteristics | |
| Dimensions | 10.28 km (calculated)[3] |
| 4.6256 h[3] 4.6279±0.0010 h[4] |
|
| 0.24 (assumed)[3] | |
| S [3] | |
| 11.8[1] | |
1912 Anubis, also designated 6534 P–L, is a stony asteroid from the outer region of the asteroid belt, about 10 kilometers in diameter. It was discovered on September 24, 1960, by the Dutch and Dutch–American astronomers Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels, who took the photographic plates at Palomar Observatory, California.[5]
The S-type asteroid is a member of the Koronis family, a group consisting of about 200 known bodies. It orbits the Sun at a distance of 2.6–3.2 AU once every 4 years and 11 months (1,807 days). Its orbit shows an eccentricity of 0.09 and is tilted by 3 degrees to the plane of the ecliptic. It has a rotation period of 4.6 hours[4] and an albedo of 0.24, assumed by the Collaborative Asteroid Lightcurve Link.[3]
The designation P–L stands for Palomar–Leiden, named after Palomar and Leiden Observatory, which collaborated on the fruitful Palomar–Leiden survey in the 1960s. Gehrels used Palomar's Samuel Oschin telescope (also known as the 48-inch Schmidt Telescope), and shipped the photographic plates to Cornelis and Ingrid van Houten at Leiden Observatory. The trio are credited with several thousand asteroid discoveries.
The minor planet is named for Anubis, the jackal-headed Egyptian god and protector of the dead.[2] On the same date, the trio of astronomers also discovered 1923 Osiris, 1924 Horus and 5011 Ptah, also named after Ancient Egyptian deities.[6]
References
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External links
- 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
- 1912 Anubis at the JPL Small-Body Database
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