| Discovery[1] | |
|---|---|
| Discovered by | F. Sy |
| Discovery site | Algiers Observatory |
| Discovery date | 2 October 1916 |
| Designations | |
| (859) Bouzaréah | |
Named after | Bouzaréah[2] |
| 1916 c · 1928 YA A916 UN | |
| main-belt (outer) | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 99.57 yr (36368 days) |
| Aphelion | 3.5698 AU (534.03 Gm) |
| Perihelion | 2.8869 AU (431.87 Gm) |
| 3.2284 AU (482.96 Gm) | |
| Eccentricity | 0.10577 |
| 5.80yr (2118.7d) | |
| 81.403° | |
| 0° 10m 11.712s / day | |
| Inclination | 13.511° |
| 35.800° | |
| 18.654° | |
| Physical characteristics | |
| 66±6 km[3] 67±6 km[3] | |
| 23.2 h (0.97 d) | |
| 0.0467±0.003 | |
| 9.7 | |
859 Bouzaréah, provisional designation 1916 c, is a darkasteroid from theasteroid belt about 74 kilometers in diameter. It was discovered by French astronomerFrédéric Sy at theAlgiers Observatory in Algeria, North Africa, on 2 October 1916.[1]
The asteroid orbits the Sun at a distance of 2.9–3.6AU about once every 6 years (2,117 days) androtates around its axis in 23 hours.[4] Its low geometric albedo of 0.047 has been measured by the Infrared Astronomical Satellite,IRAS.
The asteroid was named afterBouzaréah, location of the discovering observatory and suburb of the Algerian capital,Algiers.[2] Its designation, 1916 c, is a superseded version of the modern two-letter codesystem of provisional designation, implemented just a few years later in 1925.
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