(471325) 2011 KT19
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Asteroid (471325) 2011 KT 19 |
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| Properties of the orbit ( animation ) | |
| Orbit type | Transneptunian object |
| Major semi-axis | 35.6 AU |
| eccentricity | 0.332 |
| Perihelion - aphelion | 23.781 AU - 47.419 AU |
| Inclination of the orbit plane | 110.2 ° |
| Sidereal period | 212 years |
| Mean orbital velocity | 4.86 km / s |
| Physical Properties | |
| Absolute brightness | 7.2 likes |
| history | |
| Explorer | Mount Lemmon Survey |
| Date of discovery | May 31, 2011 |
| Another name | 2011 CT 19 |
| 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. | |
(471325) 2011 KT 19 is a planetoid that was discovered on May 31, 2011 as part of the Mount Lemmon Survey and belongs to the group of Trans-Neptunian objects . The asteroid has orbited the sun in a moderately eccentric orbit for over 212 years . The eccentricity of its orbit is 0.33, with it being inclined 110.15 ° to the ecliptic , so that it has a retrograde orbit.
It bears the unofficial name "Niku" and is the absolutely brightest known retrograde planetoid in our solar system.
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| The orbit of 2011 KT 19 in relation to the planets of the solar system and the dwarf planet Pluto
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| The orbits of the two TNOs Niku (purple) and Drac (yellow) in their retrograde orbits as well as the orbits of the other planets: Pluto is shown in red. |
See also
Individual evidence
- ↑ Chen, Ying-Tung; Lin, Hsing Wen; Holman, Matthew J; Payne, Matthew J; et al .: Discovery of A New Retrograde Trans-Neptunian Object: Hint of A Common Orbital Plane for Low Semi-Major Axis, High Inclination TNOs and Centaurs. In: The Astrophysical Journal . 827: L24, 2016, arxiv : 1608.01808 [astro-ph] .
- ↑ Database of the Minor Planet Center, query from November 9, 2018, i> = 90, 1 <= H <= 9