1631 Kopff
| Discovery | |
|---|---|
| Discovered by | Y. Väisälä |
| Discovery site | Turku Obs. |
| Discovery date | 11 October 1936 |
| Designations | |
| (1631) Kopff | |
Named after | August Kopff (astronomer) |
| 1936 UC · 1926 TH 1935 FG · 1946 SA 1952 HV2 | |
| main-belt · Flora | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 90.37 yr (33,006 days) |
| Aphelion | 2.7129 AU |
| Perihelion | 1.7572 AU |
| 2.2350 AU | |
| Eccentricity | 0.2138 |
| 3.34 yr (1,220 days) | |
| 107.17° | |
| Inclination | 7.4943° |
| 16.826° | |
| 315.11° | |
| Physical characteristics | |
| Dimensions | 8.636±0.395 km 9.58±0.21 km 9.66±1.2 km 9.71 km (derived) |
| 6.683±0.001 h | |
| 0.2497±0.074 0.259±0.012 0.2710 (derived) 0.342±0.061 | |
| S | |
| 12.1 · 12.2 · 12.57±0.35 | |
1631 Kopff (provisional designation 1936 UC) is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 9 kilometers in diameter. It was discovered on 11 October 1936, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. It was later named after German astronomer August Kopff.