644 Cosima

644 Cosima
Discovery
Discovered by	August Kopff
Discovery site	Heidelberg
Discovery date	7 September 1907
Designations
Alternative names	1907 AA
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	107.84 yr (39390 d)
Aphelion	3.0041 AU (449.41 Gm)
Perihelion	2.1938 AU (328.19 Gm)
Semi-major axis	2.5990 AU (388.80 Gm)
Eccentricity	0.15589
Orbital period	4.19 yr (1530.4 d)
Mean anomaly	357.546°
Mean motion	0° 14^m 6.864^s / day
Inclination	1.0409°
Longitude of ascending node	109.975°
Argument of perihelion	268.690°
Earth MOID	1.19485 AU (178.747 Gm)
Jupiter MOID	2.45114 AU (366.685 Gm)
Jupiter Tisserand parameter	3.398
Physical characteristics
Mean radius	7000996000000000000♠9.96±0.75 km
Rotation period	7.556 h (0.3148 d)
Geometric albedo	6999157200000000000♠0.1572±0.028
Absolute magnitude (H)	11.13

644 Cosima is a minor planet orbiting the Sun.

References

Minor planets navigator

643 Scheherezade 644 Cosima 645 Agrippina

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