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(26375) 1999 DE9

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Spitzer::object    Category::space    Trujillo::system    Solar::julian    Albedo::dwarf    Uruguay::analysis

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(26375) 1999 DE9 (also written (26375) 1999 DE9) is a trans-Neptunian object. Light-curve-amplitude analysis shows only small deviations, suggesting (26375) 1999 DE9 is a spheroid with small albedo spots.<ref name=SSDwarfs>Tancredi, G., & Favre, S. (2008) Which are the dwarfs in the Solar System?. Depto. Astronomía, Fac. Ciencias, Montevideo, Uruguay; Observatorio Astronómico Los Molinos, MEC, Uruguay. Retrieved August 10, 2011</ref> Measurements by the Spitzer Space Telescope estimate that it is 461 ± 45 km in diameter.<ref name="Spitzer2007"/> It was discovered in 1999 by Chad Trujillo and Jane X. Luu. It is possibly a dwarf planet.<ref>Icy Dwarf Planets and TNOs</ref>

(26375) 1999 DE9 orbit is in 2:5 resonance with Neptune's.<ref name="Buie"/> Spectral analysis has shown traces of ice.<ref>Fig 3 for 1999 DE9</ref>


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