489 Comacina

{{Short description|Main-belt asteroid}}

{{Infobox planet

| minorplanet= yes

| name= 489 Comacina

| background = #D6D6D6

| image = 000489-asteroid shape model (489) Comacina.png

| image_scale =

| caption = Shape of Comacina from modeled lightcurve

| mpc_name= (489) Comacina

| pronounced={{IPAc-en|k|ɒ|m|ə|'|s|aɪ|n|ə}}Noah Webster (1884) A Practical Dictionary of the English Language

| adjective=Comacinian {{IPAc-en|k|ɒ|m|ə|'|s|ɪ|n|i|ə|n}}

| named_after=Isola Comacina

| alt_names= 1902 JM

| discoverer= Luigi Carnera

| discovered= 2 September 1902

| discovery_site= Heidelberg

| epoch= 31 July 2016 (JD 2457600.5)

| eccentricity= 0.045031

| semimajor= {{Convert|3.1508|AU|Gm|abbr=on}}

| perihelion= {{Convert|3.0089|AU|Gm|abbr=on}}

| aphelion= {{Convert|3.2927|AU|Gm|abbr=on|lk=on}}

| period= 5.59 yr (2042.8 d)

| inclination= 13.000°

| asc_node= 166.898°

| arg_peri= 12.215°

| mean_anomaly= 282.24°

| mean_motion= {{Deg2DMS|0.17623|sup=ms}} / day

| orbit_ref= {{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=489;cad=1 |title=489 Comacina (1902 JM) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=6 May 2016}}

| observation_arc= 105.09 yr (38384 d)

| uncertainty= 0

| abs_magnitude= 8.32

| rotation= {{Convert|9.02|h|d|abbr=on|lk=on}}

| albedo= {{val|0.0427|0.002}}

| mean_radius= {{val|69.695|1.5}} km

}}

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