(26375) 1999 DE9
| Discovery | |
|---|---|
Synodic rotation period | 24 h (1.0 d) |
| 0.06–0.08[3] | |
| Temperature | ≈37 K |
| 5.0 | |
(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]
(26375) 1999 DE9 orbit is in 2:5 resonance with Neptune's.[1] Spectral analysis has shown traces of ice.[6]
References
- ^ Marc W. Buie (March 14, 2008). "Orbit Fit and Astrometric record for 26375". SwRI (Space Science Department). Retrieved September 24, 2008.
- ^ "JPL Small-Body Database Browser: 26375 (1999 DE9)". NASA/Jet Propulsion Laboratory. Retrieved April 5, 2016.
- ^ arXiv:astro-ph/0702538
- ^ 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
- ^ Icy Dwarf Planets and TNOs
- ^ Fig 3 for 1999 DE9
External links
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| Consensus | _(cropped).jpg)  | ||||||||||||||||||
| Possible |
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