489 Comacina
| Shape of Comacina from modeled lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Luigi Carnera | 
| Discovery site | Heidelberg | 
| Discovery date | 2 September 1902 | 
| Designations | |
| (489) Comacina | |
| Pronunciation | /kɒməˈsaɪnə/ | 
| Named after | Isola Comacina | 
| 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) | 
| 3.1508 AU (471.35 Gm) | |
| Eccentricity | 0.045031 | 
| 5.59 yr (2042.8 d) | |
| 282.24° | |
| 0° 10m 34.428s / day | |
| Inclination | 13.000° | 
| 166.898° | |
| 12.215° | |
| Physical characteristics | |
| 69.695±1.5 km | |
| 9.02 h (0.376 d) | |
| 0.0427±0.002 | |
| 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.