476 Hedwig

Hedwig
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg
Discovery date	17 August 1901
Designations
MPC designation	476
Alternative names	1901 GQ
Minor planet category	Main belt
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	114.66 yr (41880 d)
Aphelion	2.843586228752500 AU (425.39444497321 Gm)
Perihelion	2.458818277348141 AU (367.83397872952 Gm)
Semi-major axis	2.651202253050 AU (396.6142118513 Gm)
Eccentricity	0.07256480545036940
Orbital period	4.32 yr (1576.7 d)
Mean anomaly	277.3588495717540°
Mean motion	0° 13^m 41.944^s / day
Inclination	10.92403953516030°
Longitude of ascending node	286.3817373411550°
Argument of perihelion	0.2030128925787450°
Earth MOID	1.44215 AU (215.743 Gm)
Jupiter MOID	2.29753 AU (343.706 Gm)
Jupiter Tisserand parameter	3.361
Physical characteristics
Dimensions	7005116760000000000♠116.76±2.6 km
Rotation period	27.33 h (1.139 d)
Sidereal rotation period	27.33
Geometric albedo	6998492999999999999♠0.0493±0.002
Spectral type	T (Tholen), X (SMASSII)
Absolute magnitude (H)	8.55

476 Hedwig (1901 GQ) is a main-belt asteroid discovered on August 17, 1901, by Luigi Carnera at Heidelberg.

References

Minor planets navigator

475 Ocllo 476 Hedwig 477 Italia

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