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Discovery
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|---|---|
| Discovered by | Michael E. Brown, Chad Trujillo, David L. Rabinowitz |
| Discovery date | October 3, 2004 |
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Designations
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| MPC designation | (120348) 2004 TY364 |
| Alternate name | none |
| Minor planet category |
TNO |
| Aphelion | 41.269 AU |
| Perihelion | 36.214 AU |
| Semi-major axis | 38.742 AU |
| Eccentricity | 0.065 |
| Mean anomaly | 251.5° |
| Inclination | 24.8° |
| Longitude of ascending node | 140.5° |
| Argument of perihelion | 0.9° |
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Physical characteristics
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| Dimensions | 554 km |
| Albedo | 0.09 (assumed) |
| Apparent magnitude | 20.4[1] |
| Absolute magnitude (H) | 4.5 |
(120348) 2004 TY364, also written as (120348) 2004 TY364, is a trans-Neptunian object that resides in the Kuiper belt. It was discovered by Michael E. Brown, Chad Trujillo, and David L. Rabinowitz on October 3, 2004 at the Palomar Observatory.
Since it has an absolute magnitude of 4.5 it qualifies as a dwarf planet candidate.
It is currently 39.5 AU from the Sun.[1]
References
- ^ a b "AstDys (120348) 2004TY364 Ephemerides". Department of Mathematics, University of Pisa, Italy. http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=120348. Retrieved 2009-12-10.
- 2. http://www.johnstonsarchive.net/astro/tnoslist.html
- 3. http://cfa-www.harvard.edu/iau/lists/TNOs.html
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