928 Hildrun

928 Hildrun
Discovery
Discovered by	K. Reinmuth
Discovery site	Heidelberg
Discovery date	23 February 1920
Designations
Alternative names	1920 GP
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	96.12 yr (35108 days)
Aphelion	3.6021 AU (538.87 Gm)
Perihelion	2.6653 AU (398.72 Gm)
Semi-major axis	3.1337 AU (468.79 Gm)
Eccentricity	0.14946
Orbital period	5.55 yr (2026.2 d)
Mean anomaly	120.692°
Mean motion	0° 10^m 39.612^s / day
Inclination	17.657°
Longitude of ascending node	129.860°
Argument of perihelion	21.897°
Earth MOID	1.68377 AU (251.888 Gm)
Jupiter MOID	1.46569 AU (219.264 Gm)
Jupiter Tisserand parameter	3.123
Physical characteristics
Mean radius	7001332450000000000♠33.245±0.85 km
Rotation period	14.13 h (0.589 d)
Geometric albedo	6998365000000000000♠0.0365±0.002
Absolute magnitude (H)	9.9

928 Hildrun is a minor planet orbiting the Sun.

References

Minor planets navigator

927 Ratisbona 928 Hildrun 929 Algunde

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