385 Ilmatar
Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 1 March 1894 |
| Designations | |
| (385) Ilmatar | |
Named after | Ilmatar |
| 1894 AX | |
| Main belt | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 122.12 yr (44604 d) |
| Aphelion | 3.19998 AU (478.710 Gm) |
| Perihelion | 2.50226 AU (374.333 Gm) |
| 2.85112 AU (426.521 Gm) | |
| Eccentricity | 0.12236 |
| 4.81 yr (1758.4 d) | |
| 166.647° | |
| 0° 12m 17.024s / day | |
| Inclination | 13.5514° |
| 345.021° | |
| 187.911° | |
| Physical characteristics | |
| 83.857±0.576 km | |
| Mass | (1.039 ± 0.515/0.201)×1018 kg |
Mean density | 3.136 ± 1.555/0.607 g/cm3 |
| 62.35 h (2.598 d) | |
| 0.242±0.042 | |
| S | |
| 7.85 | |
385 Ilmatar is a large main belt asteroid.
It was discovered by Max Wolf on March 1, 1894, in Heidelberg. It was named after Ilmatar, virgin spirit of the air from the Finnish epic Kalevala. Its mass has been estimated as (1.039 ± 0.515/0.201)×1018 kg. Its rotation is 62.35 hr.