385 Ilmatar
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 1 March 1894 |
| Designations | |
| MPC designation | (385) Ilmatar |
Named after | Ilmatar |
| 1894 AX | |
| Main belt | |
| Orbital characteristics[1] | |
| 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) | |
Average orbital speed | 17.65 km/s |
| 166.647° | |
| 0° 12m 17.024s / day | |
| Inclination | 13.5514° |
| 345.021° | |
| 187.911° | |
| Earth MOID | 1.50801 AU (225.595 Gm) |
| Jupiter MOID | 1.78508 AU (267.044 Gm) |
| Jupiter Tisserand parameter | 3.253 |
| Physical characteristics | |
| Dimensions | 91.53±1.6 km |
| Mass | unknown |
Mean density | unknown |
Equatorial surface gravity | unknown |
Equatorial escape velocity | unknown |
| 62.35 h (2.598 d) | |
| 0.2129±0.008 | |
| Temperature | unknown |
| S | |
| 7.49 | |
|
| |
385 Ilmatar is a large Main Belt asteroid.
It was discovered by Max Wolf on March 1, 1894, in Heidelberg.[2] It was named after Ilmatar, virgin spirit of the air. Its mass is unknown. Its rotation is 62.35 hr.
References
- ↑ "385 Ilmatar (1894 AX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.
- ↑ "Physics and Astronomy > Dictionary of Minor Planet Names > (385) Ilmatar". Springer Reference. Retrieved 20 October 2014.
External links
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