621 Werdandi

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

621 Werdandi is a Themistian asteroid.

• 621 Werdandi at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 621 Werdandi at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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