2033 Basilea
2033 Basilea, provisional designation 1973 CA, is a stony asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 6 February 1973, by astronomer Paul Wild at the Zimmerwald Observatory near Bern, Switzerland. The asteroid was named for the Swiss city of Basel.
| Discovery | |
|---|---|
| Discovered by | P. Wild |
| Discovery site | Zimmerwald Obs. |
| Discovery date | 6 February 1973 |
| Designations | |
| (2033) Basilea | |
Named after | Basel (Swiss city) |
| 1973 CA · 1953 DA 1953 EY · 1955 WD 1955 XD | |
| main-belt · (inner) | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.33 yr (23,133 days) |
| Aphelion | 2.4734 AU |
| Perihelion | 1.9765 AU |
| 2.2250 AU | |
| Eccentricity | 0.1117 |
| 3.32 yr (1,212 days) | |
| 191.60° | |
| 0° 17m 49.2s / day | |
| Inclination | 8.4634° |
| 321.72° | |
| 134.56° | |
| Physical characteristics | |
| Dimensions | 5.710±0.088 km 6.25±1.51 km 6.322±0.051 km 7.82 km (calculated) |
| 6.5287±0.0002 h | |
| 0.20 (assumed) 0.29±0.13 0.3688±0.0966 0.419±0.088 | |
| S | |
| 12.7 · 12.9 · 13.01±0.09 · 13.19 | |
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