1663 van den Bos
van den Bos modeled from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | H. E. Wood |
| Discovery site | Johannesburg Obs. |
| Discovery date | 4 August 1926 |
| Designations | |
| (1663) van den Bos | |
Named after | Willem van den Bos (astronomer) |
| 1926 PE · 1928 DD 1936 OM · 1948 BE 1948 EG1 · 1949 KE 1950 XD · 1963 SC | |
| main-belt · Flora | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 88.62 yr (32,370 days) |
| Aphelion | 2.6437 AU |
| Perihelion | 1.8357 AU |
| 2.2397 AU | |
| Eccentricity | 0.1804 |
| 3.35 yr (1,224 days) | |
| 33.128° | |
| 0° 17m 38.76s / day | |
| Inclination | 5.3617° |
| 83.196° | |
| 275.24° | |
| Physical characteristics | |
| Dimensions | 7.58±0.67 km 11.697±0.048 km 12.25 km (derived) 13.537±0.339 km |
| 155±5 h (wrong) 740±10 h | |
| 0.1708±0.0178 0.184±0.025 0.2045 (derived) 0.255±0.022 0.406±0.074 | |
| S | |
| 11.80 · 11.86±0.28 · 11.9 · 12.2 | |
1663 van den Bos, provisional designation 1926 PE, is a stony Florian asteroid and an exceptionally slow rotator from the inner regions of the asteroid belt, approximately 12 kilometers in diameter. It was discovered on 4 August 1926, by English astronomer Harry Edwin Wood at Johannesburg Observatory in South Africa. It was later named after astronomer Willem Hendrik van den Bos.