489 Comacina

489 Comacina
	File:000489-asteroid shape model (489) Comacina.png Shape of Comacina from modeled lightcurve
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg
Discovery date	2 September 1902
Designations
MPC designation	(489) Comacina
Pronunciation	/kɒməˈsaɪnə/
Named after	Isola Comacina
Alternative designations	1902 JM
Adjectives	Comacinian /kɒməˈsɪniən/
Orbital characteristics
	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 (sidereal)	5.59 yr (2042.8 d)
Mean anomaly	282.24°
Mean motion	0° 10m 34.428s / day
Inclination	13.000°
Longitude of ascending node	166.898°
Argument of perihelion	12.215°
Physical characteristics
Mean radius	69.695±1.5 km
Synodic rotation period	9.02 h (0.376 d)
Geometric albedo	0.0427±0.002
Absolute magnitude (H)	8.32

489 Comacina is a minor planet located in the asteroid belt. It is named after Isola Comacina, an island in Lake Como, Italy.

References

^ Noah Webster (1884) A Practical Dictionary of the English Language
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