621 Werdandi is a Themistian asteroid.
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 | |
MPC designation | (621) Werdandi |
Alternative designations | 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) |
Semi-major axis | 3.1269 AU (467.78 Gm) |
| Eccentricity | 0.13840 |
Orbital period (sidereal) | 5.53 yr (2019.6 d) |
Mean anomaly | 299.847° |
Mean motion | 0° 10m 41.7s / day |
| Inclination | 2.3146° |
Longitude of ascending node | 67.107° |
Argument of perihelion | 31.965° |
| Physical characteristics | |
Mean radius | 13.575±0.75 km |
Synodic rotation period | 11.776 h (0.4907 d) |
Geometric albedo | 0.1527±0.018 |
Absolute magnitude (H) | 10.49 |
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This article about a C-type asteroid native to the asteroid belt is a stub. You can help Wikipedia by expanding it. |