(381) Myrrha
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Asteroid (381) Myrrha |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.218 AU |
| eccentricity | 0.095 |
| Perihelion - aphelion | 2.913 AU - 3.523 AU |
| Inclination of the orbit plane | 12.5 ° |
| Length of the ascending node | 125.3 ° |
| Argument of the periapsis | 138.2 ° |
| Time of passage of the perihelion | November 11, 2010 |
| Sidereal period | 5 a 283 d |
| Mean orbital velocity | 16.6 km / s |
| Physical Properties | |
| Medium diameter | 147.2 × 126.6 km |
| Albedo | 0.0609 |
| Rotation period | 6 h 34 min |
| Absolute brightness | 8.25 likes |
| Spectral class | C. |
| history | |
| Explorer | Auguste Charlois |
| Date of discovery | January 10, 1894 |
| Another name | 1894 AS |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(381) Myrrha is an asteroid of the main belt discovered by Auguste Charlois in Nice on January 10, 1894 .
The asteroid covered the star γ Geminorum on January 13, 1991 . With over 30 precise observations in Japan, a very precise determination of the diameter could be achieved.