| Minorplanet: | yes |
| 489 Comacina | |
| Background: |
|
| Mpc Name: | (489) Comacina |
| Pronounced: | [1] |
| Adjective: | Comacinian |
| Alt Names: | 1902 JM |
| Discovered: | 2 September 1902 |
| Epoch: | 31 July 2016 (JD 2457600.5) |
| Eccentricity: | 0.045031 |
| Semimajor: | 3.1508AU |
| Perihelion: | 3.0089AU |
| Aphelion: | 3.2927abbr=onNaNabbr=on |
| Period: | 5.59 yr (2042.8 d) |
| Inclination: | 13.000° |
| Asc Node: | 166.898° |
| Arg Peri: | 12.215° |
| Mean Motion: | / day |
| Orbit Ref: | [2] |
| Observation Arc: | 105.09 yr (38384 d) |
| Uncertainty: | 0 |
| Abs Magnitude: | 8.32 |
| Rotation: | 9.02abbr=onNaNabbr=on |
| Mean Radius: | km |
489 Comacina is a minor planet located in the asteroid belt. It is named after Isola Comacina, an island in Lake Como, Italy.