 Modelled shape of Cosima from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 7 September 1907 |
| Designations | |
| (644) Cosima | |
| 1907 AA | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 107.84 yr (39390 d) |
| Aphelion | 3.0041 AU (449.41 Gm) |
| Perihelion | 2.1938 AU (328.19 Gm) |
| 2.5990 AU (388.80 Gm) | |
| Eccentricity | 0.15589 |
| 4.19 yr (1530.4 d) | |
| 357.546° | |
| 0° 14m 6.864s / day | |
| Inclination | 1.0409° |
| 109.975° | |
| 268.690° | |
| Physical characteristics | |
| 9.96±0.75 km | |
| 7.556 h (0.3148 d) | |
| 0.1572±0.028 | |
| 11.13 | |
644 Cosima is a minor planet orbiting the Sun.
