2011 MM4
|
Asteroid 2011 MM 4 |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | centaur |
| Major semi-axis | 21.12 AU |
| eccentricity | 0.473 |
| Perihelion - aphelion | 11.13 AU - 31.11 AU |
| Inclination of the orbit plane | 100.5 ° |
| Sidereal period | 97.03 years |
| Mean orbital velocity | 6.10 km / s |
| Physical Properties | |
| Absolute brightness | 9.3 mag |
| history | |
| Explorer | Pan-STARRS 1 |
| Date of discovery | June 24, 2011 |
| Another name | 2011 MM 4 |
| 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. | |
2011 MM 4 is a planetoid that was discovered on June 24, 2011 at Pan-STARRS 1 and belongs to the group of centaurs . The asteroid orbit the sun in a moderately eccentric orbit for over 2200 years . The orbital eccentricity of its orbit is 0.47, this being 100.46 ° inclined to the ecliptic , so that it has a retrograde orbit.
It is believed that the great retrograde centaur 2011 MM 4 as well as the two centaurs (468861) 2013 LU 28 and (342842) 2008 YB 3 are visitors from the Oort cloud .
See also
Individual evidence
- ↑ C. de la Fuente Marcos, R. de la Fuente Marcos .: Large retrograde Centaurs: visitors from the Oort cloud? In: Astrophysics and Space Science . No. 352/2 , 2014, p. 409-419 ., Arxiv : 1406.1450 .