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(120348) 2004 Ty364

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(120348) 2004 Ty364

(120348) 2004 TY364
Discovery
Discovered by Michael E. Brown,
Chad Trujillo,
David L. Rabinowitz
Discovery date October 3, 2004
Designations
MPC designation (120348) 2004 TY364
Minor planet category TNO:
Cubewano[1]
SCATEXTD[2]
Other[3][4]
Orbital characteristics[5]
Epoch JD 2457000.5 (9 December 2014)
Aphelion 41.490 AU
Perihelion 36.255 AU
38.87 AU
Eccentricity 0.06734
242.37 yr (88,525 d)
266.50°
Inclination 24.8509°
140.6256°
357.57°
Physical characteristics
Dimensions 554 km[3]
Albedo 0.08 (expected from theory)[6]
20.4[7]
4.5[5]

(120348) 2004 TY364, also written as (120348) 2004 TY364, is a trans-Neptunian object. It is an inner classical Kuiper belt object in the definition by Gladman, Marsden, and Van Laerhoven (e<0.24).[1] Its inclination of almost 25 degrees disqualifies it as such in Marc Buie's definition.[2] It is also not listed as a scattered disc object by the Minor Planet Center.[8] It was discovered by Michael E. Brown, Chad Trujillo and David L. Rabinowitz on October 3, 2004 at the Palomar Observatory.

With an absolute magnitude of 4.5, it is likely a dwarf planet.[6] However, light curve analysis has questioned whether it really is one.[9]

As of 2014, it is 39.2 AU from the Sun.[7]

References

  1. ^ a b Nomenclature in the outer Solar System
  2. ^ a b  
  3. ^ a b http://www.johnstonsarchive.net/astro/tnoslist.html
  4. ^ "MPEC 2010-S44 :Distant Minor Planets (2010 OCT. 11.0 TT)". IAU Minor Planet Center. 2010-09-25. Retrieved 2014-11-16. 
  5. ^ a b "JPL Small-Body Database Browser: 120348 (2004 TY364)" (2005-09-01 last obs;  
  6. ^ a b  
  7. ^ a b "AstDys (120348) 2004TY364 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2009-12-10. 
  8. ^ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 2014-11-13. 
  9. ^ Gonzalo Tancredi and Sofía Favre (13 October 2008). "Dwarf Planet & Plutoid Headquarters". Portal Uruguayo de Astronomía. Retrieved 2010-09-22.  (Which are the dwarfs in the Solar System?)
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