578 Happelia

578 Happelia
Discovery
A three-dimensional model of 578 Happelia based on its light curve.
Discovered by	M. F. Wolf
Discovery site	Heidelberg
Discovery date	1 November 1905
Designations
Alternative names	1905 RZ
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	110.46 yr (40344 d)
Aphelion	3.2821 AU (491.00 Gm)
Perihelion	2.2168 AU (331.63 Gm)
Semi-major axis	2.7494 AU (411.30 Gm)
Eccentricity	0.19374
Orbital period	4.56 yr (1665.2 d)
Mean anomaly	200.53°
Mean motion	0° 12^m 58.284^s / day
Inclination	6.1525°
Longitude of ascending node	29.411°
Argument of perihelion	261.400°
Earth MOID	1.21072 AU (181.121 Gm)
Jupiter MOID	1.93906 AU (290.079 Gm)
Jupiter Tisserand parameter	3.311
Physical characteristics
Mean radius	7001346450000000000♠34.645±1.05 km
Rotation period	10.061 h (0.4192 d)
Geometric albedo	6998769000000000000♠0.0769±0.005
Absolute magnitude (H)	9.4

578 Happelia is a minor planet orbiting the Sun.

References

Minor planets navigator

577 Rhea 578 Happelia 579 Sidonia

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