(489) Comacina Main-belt Asteroid
Discovered on 2 September 1902 by L. Carnera at Heidelberg.
Where Comacina is today
Seen from above the solar system on 2026-10-14: Comacina is 3.27 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 489 |
| Provisional designation | A902 RD |
| Orbit class | Main-belt Asteroid |
| Diameter | 139 km (#103 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0427 |
| Rotation period | 9.02 hours |
| Spectral type | C |
| Absolute magnitude (H) | 8.6 |
| Orbital period | 5.59 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 3.00 – 3.31 au |
| Eccentricity | 0.0491 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 2.00 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by L. Carnera
- (469) Argentina
- (470) Kilia
- (472) Roma
- (476) Hedwig
- (477) Italia
- (478) Tergeste
- (479) Caprera
- (481) Emita
- (485) Genua
- (486) Cremona
- (487) Venetia
- (808) Merxia
← (488) Kreusa · (490) Veritas →