385 Ilmatar
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| Discovery A | |
|---|---|
| Discoverer | Max Wolf |
| Discovery date | March 1, 1894 |
| Alternate designations B |
1894 AX |
| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.127 |
| Semi-major axis (a) | 426.176 Gm (2.849 AU) |
| Perihelion (q) | 372.044 Gm (2.487 AU) |
| Aphelion (Q) | 480.308 Gm (3.211 AU) |
| Orbital period (P) | 1756.245 d (4.81 a) |
| Mean orbital speed | 17.65 km/s |
| Inclination (i) | 13.567° |
| Longitude of the ascending node (Ω) |
345.256° |
| Argument of perihelion (ω) |
188.316° |
| Mean anomaly (M) | 25.258° |
| Physical characteristics D | |
| Dimensions | 92.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 7.49 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
385 Ilmatar is a large Main Belt asteroid.
It was discovered by Max Wolf on March 1, 1894, in Heidelberg.
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