(26375)_1999_DE9

<span class="nowrap">(26375) 1999 DE<sub>9</sub></span>

(26375) 1999 DE9

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(26375) 1999 DE9 (provisional designation 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.[4] Measurements by the Spitzer Space Telescope estimate that it is 461 ± 45 km in diameter.[3] It was discovered in 1999 by Chad Trujillo and Jane X. Luu. It is possibly a dwarf planet.[5]

Quick Facts Discovery, Discovered by ...

(26375) 1999 DE9 orbit is in 2:5 resonance with Neptune's.[1] Spectral analysis has shown traces of ice.[6]

References

  1. [1]
    Marc W. Buie (March 14, 2008). "Orbit Fit and Astrometric record for 26375". SwRI (Space Science Department). Retrieved September 24, 2008.
  2. [2]
    "JPL Small-Body Database Browser: 26375 (1999 DE9)". NASA/Jet Propulsion Laboratory. Retrieved April 5, 2016.
  3. [3]
    Stansberry, Grundy, Brown, Spencer, Trilling, Cruikshank, Luc Margot Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope (2007) arXiv:astro-ph/0702538
  4. [4]
    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
  5. [5]
    Icy Dwarf Planets and TNOs
  6. [6]
    Fig 3 for 1999 DE9


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