1245 Calvinia
Shape model of Calvinia from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 26 May 1932 |
| Designations | |
| (1245) Calvinia | |
Named after | Calvinia (South African city) |
| 1932 KF · 1948 VT 1950 CP · A906 FB A914 YB · A916 DC A917 KE | |
| main-belt · (outer) background · Koronis | |
| Orbital characteristics | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 112.59 yr (41,125 d) |
| Aphelion | 3.1302 AU |
| Perihelion | 2.6536 AU |
| 2.8919 AU | |
| Eccentricity | 0.0824 |
| 4.92 yr (1,796 d) | |
| 137.36° | |
| 0° 12m 1.44s / day | |
| Inclination | 2.8936° |
| 151.72° | |
| 208.24° | |
| Physical characteristics | |
| 26.84±3.5 km 29.751±0.204 km 30.444±0.137 km 30.95±0.78 km | |
| 4.8523±0.0001 h | |
| 0.214 0.2202 0.221 0.2713 | |
| Tholen = S B–V = 0.847 U–B = 0.474 | |
| 9.89 9.9 10.11±0.03 | |
1245 Calvinia (prov. designation: 1932 KF) is a stony Koronian asteroid from the outer regions of the asteroid belt, approximately 30 kilometers (19 miles) in diameter. It was discovered on 26 May 1932, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg. The S-type asteroid is likely elongated and has a rotation period of 4.9 hours. It was named for the city of Calvinia in South Africa.