489 Comacina

489 Comacina
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg
Discovery date	2 September 1902
Designations
MPC designation	(489) Comacina
Alternative designations	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

Minor planets navigator
488 Kreusa 489 Comacina 490 Veritas

Designation Groups List Moon Meanings of names
Asteroid	Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Damocloid Neptune trojan Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

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