3169 Ostro
3169 Ostro, provisional designation 1981 LA, is a Hungaria family asteroid from the innermost regions of the asteroid belt, approximately 5 kilometers in diameter.
Ostro imaged by the 0.7-m telescope at Heidelberg Observatory | |
| Discovery | |
|---|---|
| Discovered by | E. Bowell |
| Discovery site | Anderson Mesa Stn. |
| Discovery date | 4 June 1981 |
| Designations | |
| (3169) Ostro | |
Named after | Steven J. Ostro (planetary scientist) |
| 1981 LA | |
| main-belt · (inner) · Hungaria | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.43 yr (23,166 days) |
| Aphelion | 2.0184 AU |
| Perihelion | 1.7652 AU |
| 1.8918 AU | |
| Eccentricity | 0.0669 |
| 2.60 yr (950 days) | |
| 120.41° | |
| 0° 22m 43.68s / day | |
| Inclination | 24.906° |
| 96.376° | |
| 32.622° | |
| Physical characteristics | |
| Dimensions | 4.662±0.118 5.27 km (derived) |
| 6.503±0.003 | |
| 0.5152 (derived) 0.960±0.023 | |
| TS (Tholen) Xe (SMASS) B–V = 0.771 U–B = 0.306 | |
| 12.73 | |
The asteroid was discovered on 4 June 1981, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Flagstaff, Arizona, and named after planetary scientist Steven J. Ostro at JPL.
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