2975 Spahr
| Discovery | |
|---|---|
| Discovered by | H. Potter A. Lokalov |
| Discovery site | Cerro El Roble Stn. |
| Discovery date | 8 January 1970 |
| Designations | |
| (2975) Spahr | |
Named after | Timothy Spahr (MPC director) |
| 1970 AF1 · 1957 HU 1967 GH · 1970 AK1 1970 CB · 1978 PF4 | |
| main-belt · (inner) background · Flora | |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 61.07 yr (22,304 d) |
| Aphelion | 2.4621 AU |
| Perihelion | 2.0351 AU |
| 2.2486 AU | |
| Eccentricity | 0.0949 |
| 3.37 yr (1,232 d) | |
| 44.830° | |
| 0° 17m 32.28s / day | |
| Inclination | 6.8979° |
| 236.58° | |
| 317.02° | |
| Physical characteristics | |
| 5.919±0.107 km 6.032±0.082 km 6.51 km (calculated) | |
| 11.946±0.006 h | |
| 0.24 (assumed) 0.4044±0.0445 0.419±0.085 | |
| S (SDSS-MOC) S (Pan-STARRS) A (S3OS2-TH) A (S3OS2-BB) | |
| 12.7 13.0 13.1 13.81±0.38 | |
2975 Spahr, provisional designation 1970 AF1, is a bright background asteroid from the Flora region of the inner asteroid belt, approximately 6 kilometers (3.7 miles) in diameter. It was discovered on 8 January 1970, by Russian astronomers Hejno Potter and A. Lokalov at the Cerro El Roble Station near Santiago, Chile. The S- or A-type asteroid has a rotation period of 11.9 hours. It was named for Timothy Spahr, an American astronomer and former director of the Minor Planet Center.