421 Zähringia
Main-belt asteroid
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421 Zähringia, provisional designation 1896 CZ, is a stony asteroid from the intermediate asteroid belt, approximately 14 kilometers in diameter. It was discovered on 7 September 1896, by astronomer Max Wolf at Heidelberg Observatory in Germany. The asteroid was named for the House of Zähringen, a medieval noble family that ruled parts of Swabia and Switzerland.[1][2]
Discoverydate7 September 1896
Named after
House of Zähringen[2](medieval noble family)[2]
Lightcurve-base 3D-model of 421 Zähringia. | |
| Discovery[1] | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 7 September 1896 |
| Designations | |
Named after | House of Zähringen[2] (medieval noble family)[2] |
| 1896 CZ · 1949 WJ A908 OB | |
| main-belt · (middle) | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 112.92 yr (41,243 days) |
| Aphelion | 3.2604 AU |
| Perihelion | 1.8203 AU |
| 2.5404 AU | |
| Eccentricity | 0.2834 |
| 4.05 yr (1,479 days) | |
| 297.47° | |
| 0° 14m 36.24s / day | |
| Inclination | 7.7854° |
| 187.40° | |
| 209.23° | |
| Physical characteristics | |
| Dimensions | 14.119±0.320 km[1] |
| 6.42 h (0.268 d)[1] | |
| 0.172±0.027[1] | |
| S (Tholen)[1] | |
| 11.78[1] | |
The first occultation of a star by 421 Zähringia was observed in 2021.
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