Samiksha Jaiswal (Editor)

(26375) 1999 DE9

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Discovery date  20 February 1999
Minor planet category  TNO 2:5 resonance
Aphelion  79.663 AU (11.9174 Tm)
Inclination  7.6076°
Orbits  Sun
MPC designation  (26375) 1999 DE9
Observation arc  6619 days (18.12 yr)
Discovered  20 February 1999
Argument of perihelion  160.236°
Discoverers  Jane Luu, Chad Trujillo
Discovered by  Chadwick A. Trujillo and Jane X. Luu
Discovery site  Kitt Peak National Observatory
Similar  (84922) 2003 VS2, (119951) 2002 KX14, 2008 ST291, (229762) 2007 UK126, 38083 Rhadamanthus

(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. Measurements by the Spitzer Space Telescope estimate that it is 461 ± 45 km in diameter. It was discovered in 1999 by Chad Trujillo and Jane X. Luu. It is possibly a dwarf planet.

(26375) 1999 DE9 orbit is in 2:5 resonance with Neptune's. Spectral analysis has shown traces of ice.

References

(26375) 1999 DE9 Wikipedia


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