| A three-dimensional model of 621 Werdandi based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 11 November 1906 |
| Designations | |
| (621) Werdandi | |
| 1906 WJ | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 104.13 yr (38035 d) |
| Aphelion | 3.5597 AU (532.52 Gm) |
| Perihelion | 2.6941 AU (403.03 Gm) |
| 3.1269 AU (467.78 Gm) | |
| Eccentricity | 0.13840 |
| 5.53 yr (2019.6 d) | |
| 299.847° | |
| 0° 10m 41.7s / day | |
| Inclination | 2.3146° |
| 67.107° | |
| 31.965° | |
| Physical characteristics | |
| 13.575±0.75 km | |
| 11.776 h (0.4907 d) | |
| 0.1527±0.018 | |
| 10.49 | |
621 Werdandi is a Themistian asteroid.