668 Dora

668 Dora
Discovery
Discovered by	August Kopff
Discovery site	Heidelberg
Discovery date	27 July 1908
Designations
Alternative names	1908 DO
Minor planet category	asteroid belt, Dora family
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	107.05 yr (39099 d)
Aphelion	3.4515 AU (516.34 Gm)
Perihelion	2.1369 AU (319.68 Gm)
Semi-major axis	2.7942 AU (418.01 Gm)
Eccentricity	0.23524
Orbital period	4.67 yr (1706.0 d)
Mean anomaly	22.6953°
Mean motion	0° 12^m 39.672^s / day
Inclination	6.8428°
Longitude of ascending node	214.450°
Argument of perihelion	113.302°
Earth MOID	1.13648 AU (170.015 Gm)
Jupiter MOID	1.97546 AU (295.525 Gm)
Jupiter Tisserand parameter	3.277
Physical characteristics
Mean radius	7001134200000000000♠13.42±0.35 km
Rotation period	22.914 h (0.9548 d)
Geometric albedo	6998467000000000000♠0.0467±0.003
Absolute magnitude (H)	12.0

668 Dora is an asteroid orbiting in the asteroid belt.

References

↑ "668 Dora (1908 DO)". 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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