1775 Zimmerwald
1775 Zimmerwald, provisional designation 1969 JA, is a stony Eunomian asteroid and slow rotator from the middle region of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 13 May 1969, by Swiss astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland. It is named for the village of Zimmerwald, where the discovering observatory is located.
| Discovery | |
|---|---|
| Discovered by | P. Wild |
| Discovery site | Zimmerwald Obs. |
| Discovery date | 13 May 1969 |
| Designations | |
| (1775) Zimmerwald | |
Named after | Zimmerwald (village; observatory) |
| 1969 JA · 1952 HB2 1952 HD · 1953 TE2 | |
| main-belt · Eunomia | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 67.20 yr (24,545 days) |
| Aphelion | 3.0866 AU |
| Perihelion | 2.1182 AU |
| 2.6024 AU | |
| Eccentricity | 0.1861 |
| 4.20 yr (1,533 days) | |
| 148.54° | |
| 0° 14m 5.28s / day | |
| Inclination | 12.555° |
| 195.94° | |
| 84.725° | |
| Physical characteristics | |
| Dimensions | 10.17±0.69 km 10.232±0.088 km 10.70±2.19 km 11.03 km (calculated) |
| 122±5 h | |
| 0.21 (assumed) 0.21±0.09 0.244±0.041 0.247±0.035 | |
| S | |
| 12.08±0.31 · 12.1 · 12.26 | |
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