489 Comacina

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

489 Comacina

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/[1]
Named after	Isola Comacina
Alternative designations	1902 JM
Adjectives	Comacinian /kɒməˈsɪniən/
Orbital characteristics[2]
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