406 Erna
|
A three-dimensional model of 406 Erna based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 22 August 1895 |
| Designations | |
| 1895 CB | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 113.12 yr (41316 d) |
| Aphelion | 3.44422 AU (515.248 Gm) |
| Perihelion | 2.38409 AU (356.655 Gm) |
| 2.91416 AU (435.952 Gm) | |
| Eccentricity | 0.18189 |
| 4.97 yr (1817.1 d) | |
Average orbital speed | 17.45 km/s |
| 89.6619° | |
| 0° 11m 53.243s / day | |
| Inclination | 4.19349° |
| 315.767° | |
| 37.2158° | |
| Earth MOID | 1.37934 AU (206.346 Gm) |
| Jupiter MOID | 1.99318 AU (298.175 Gm) |
| Jupiter Tisserand parameter | 3.253 |
| Physical characteristics | |
| Dimensions | 49.19±1.7 km |
| Mass | unknown |
Mean density | unknown |
Equatorial surface gravity | unknown |
Equatorial escape velocity | unknown |
| 8.789 h (0.3662 d) | |
| 0.0524±0.004 | |
| Temperature | unknown |
| P | |
| 10.36 | |
|
| |
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406 Erna is a typical Main belt asteroid. It is classified as a P-type asteroid and is probably composed of primitive carbonaceous chondritic materials.
It was discovered by Auguste Charlois on August 22, 1895 in Nice.
References
- ↑ "406 Erna (1895 CB)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.
External links
- 406 Erna at the JPL Small-Body Database
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