702 Alauda
702 Alauda /əˈlɔːdə/, provisional designation 1910 KQ, is a carbonaceous asteroid and binary system from the outer asteroid belt, approximately 190 kilometers in diameter. It is the parent body of the Alauda family. Discovered in 1910 by German astronomer Joseph Helffrich at Heidelberg Observatory, it was named after the lark (alauda). Its small moon, named Pichi üñëm, was discovered in 2007.
702 Alauda as seen an hour after occulting TYC 1920-00620-1 | |
| Discovery | |
|---|---|
| Discovered by | J. Helffrich |
| Discovery site | Heidelberg Obs. |
| Discovery date | 1910 |
| Designations | |
MPC designation | (702) Alauda |
| Pronunciation | /əˈlɔːdə/ |
Named after | Alauda (genus of Birds) |
Alternative designations | 1910 KQ |
Minor planet category | main-belt · (outer) Alauda |
| Adjectives | Alaudian |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 106.89 yr (39,040 days) |
| Aphelion | 3.2533 AU |
| Perihelion | 3.1372 AU |
Semi-major axis | 3.1953 AU |
| Eccentricity | 0.0182 |
Orbital period (sidereal) | 5.71 yr (2,086 days) |
Mean anomaly | 311.58° |
Mean motion | 0° 10m 21.36s / day |
| Inclination | 20.589° |
Longitude of ascending node | 289.77° |
| 349.49° | |
| Known satellites | 1 (Pichi üñëm) |
| Physical characteristics | |
| Dimensions | 163.98±57.99 km 172.29±55.38 km 175 km 190.58±2.65 km 190.980±1.973 km 194.73±3.2 km 201.961±4.642 km 202±20 km |
| Mass | 1018 kg |
Mean density | (1.57 ± 0.5) g/cm3 |
Synodic rotation period | 8.3531 h (0.34805 d) |
| 0.0587±0.002 | |
| C (Tholen) B (SMASSII) | |
| 11.42 to 13.57 | |
| 7.25 | |
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