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
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	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

Designation Groups List Moon Meanings of names
Asteroid	Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Damocloid Neptune trojan Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

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