621 Werdandi

621 Werdandi
Discovery
A three-dimensional model of 621 Werdandi based on its light curve.
Discovered by	August Kopff
Discovery site	Heidelberg
Discovery date	11 November 1906
Designations
Alternative names	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	5.53 yr (2019.6 d)
Mean anomaly	299.847°
Mean motion	0° 10^m 41.7^s / day
Inclination	2.3146°
Longitude of ascending node	67.107°
Argument of perihelion	31.965°
Earth MOID	1.70974 AU (255.773 Gm)
Jupiter MOID	1.60679 AU (240.372 Gm)
Jupiter Tisserand parameter	3.198
Physical characteristics
Mean radius	7001135750000000000♠13.575±0.75 km
Rotation period	11.776 h (0.4907 d)
Geometric albedo	6999152700000000000♠0.1527±0.018
Absolute magnitude (H)	10.49

621 Werdandi is a Themistian asteroid.

References

Minor planets navigator

620 Drakonia 621 Werdandi 622 Esther

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