561 Ingwelde

561 Ingwelde
Discovery
Discovered by	M. F. Wolf
Discovery site	Heidelberg
Discovery date	26 March 1905
Designations
Alternative names	1905 QG
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	110.90 yr (40505 d)
Aphelion	3.5428 AU (530.00 Gm)
Perihelion	2.8069 AU (419.91 Gm)
Semi-major axis	3.1748 AU (474.94 Gm)
Eccentricity	0.11589
Orbital period	5.66 yr (2066.2 d)
Mean anomaly	326.466°
Mean motion	0° 10^m 27.228^s / day
Inclination	1.5440°
Longitude of ascending node	159.502°
Argument of perihelion	315.780°
Earth MOID	1.82204 AU (272.573 Gm)
Jupiter MOID	1.55475 AU (232.587 Gm)
Jupiter Tisserand parameter	3.190
Physical characteristics
Mean radius	7001122500000000000♠12.25±0.8 km
Rotation period	12.012 h (0.5005 d)
Geometric albedo	6998966000000000000♠0.0966±0.014
Absolute magnitude (H)	11.21

561 Ingwelde is a Themistian asteroid.

References

↑ "561 Ingwelde (1905 QG)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.

External links

Discovery · Orbit diagram · Orbital elements · Physical parameters

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