489 Comacina

489 Comacina
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg
Discovery date	2 September 1902
Designations
Alternative names	1902 JM
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	105.09 yr (38384 d)
Aphelion	3.2927 AU (492.58 Gm)
Perihelion	3.0089 AU (450.13 Gm)
Semi-major axis	3.1508 AU (471.35 Gm)
Eccentricity	0.045031
Orbital period	5.59 yr (2042.8 d)
Mean anomaly	282.24°
Mean motion	0° 10^m 34.428^s / day
Inclination	13.000°
Longitude of ascending node	166.898°
Argument of perihelion	12.215°
Earth MOID	2.01387 AU (301.271 Gm)
Jupiter MOID	1.67536 AU (250.630 Gm)
Jupiter Tisserand parameter	3.166
Physical characteristics
Mean radius	7001696949999999999♠69.695±1.5 km
Rotation period	9.02 h (0.376 d)
Geometric albedo	6998427000000000000♠0.0427±0.002
Absolute magnitude (H)	8.32

489 Comacina is a minor planet orbiting the Sun.

References

↑ "489 Comacina (1902 JM)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 6 May 2016.

External links

489 Comacina at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

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