(120348) 2004 TY364: Difference between revisions
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|publisher=SwRI (Space Science Department) |
|publisher=SwRI (Space Science Department) |
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|url=http://www.boulder.swri.edu/~buie/kbo/astrom/120348.html |
|url=http://www.boulder.swri.edu/~buie/kbo/astrom/120348.html |
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|access-date=2014-11-13}}</ref><br>Other<ref name="MPEC2010-S44"/> |
|access-date=2014-11-13}}</ref><br />Other<ref name="MPEC2010-S44"/> |
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| orbit_ref=<ref name=jpldata>{{cite web |
| orbit_ref=<ref name=jpldata>{{cite web |
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|type=2005-09-01 last obs; [[Observation arc|arc]]: 22.13 years |
|type=2005-09-01 last obs; [[Observation arc|arc]]: 22.13 years |
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'''{{mp|(120348) 2004 TY|364}}''', provisionally known as {{mp|2004 TY|364}}, is a [[trans-Neptunian object]]. It is an inner [[classical Kuiper belt object]] in the definition by Gladman, Marsden, and Van Laerhoven ([[Orbital eccentricity|e]]<0.24).<ref name=outerSSnomenclature>[http://www.lpi.usra.edu/books/ssbn2008/7002.pdf Nomenclature in the outer Solar System]</ref> Its inclination of almost 25 degrees disqualifies it as such in [[Marc W. Buie|Marc Buie]]'s definition{{Specify|date=November 2014}}.<ref name=Buie/> It is also not listed as a [[scattered disc]] object by the [[Minor Planet Center]].<ref name="Centaurs"/> It was discovered by [[Michael E. Brown]], [[Chad Trujillo]] and [[David L. Rabinowitz]] on October 3, 2004 at the [[Palomar Observatory]]. |
'''{{mp|(120348) 2004 TY|364}}''', provisionally known as {{mp|2004 TY|364}}, is a [[trans-Neptunian object]]. It is an inner [[classical Kuiper belt object]] in the definition by Gladman, Marsden, and Van Laerhoven ([[Orbital eccentricity|e]]<0.24).<ref name=outerSSnomenclature>[http://www.lpi.usra.edu/books/ssbn2008/7002.pdf Nomenclature in the outer Solar System]</ref> Its inclination of almost 25 degrees disqualifies it as such in [[Marc W. Buie|Marc Buie]]'s definition{{Specify|date=November 2014}}.<ref name=Buie/> It is also not listed as a [[scattered disc]] object by the [[Minor Planet Center]].<ref name="Centaurs"/> It was discovered by [[Michael E. Brown]], [[Chad Trujillo]] and [[David L. Rabinowitz]] on October 3, 2004 at the [[Palomar Observatory]]. |
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[[light curve|Light-curve]] analysis suggests it is not a [[List of possible dwarf planets|dwarf planet]].<ref name="Uruguayo">{{Cite web |
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|title=How many dwarf planets are there in the outer solar system? (updates daily) |
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|publisher=[[California Institute of Technology]] |
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|author=Michael E. Brown |
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|author-link=Michael E. Brown |
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|url=http://www.gps.caltech.edu/~mbrown/dps.html |
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|access-date=2011-08-25 |
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|url-status=dead |
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|archive-url=https://web.archive.org/web/20111018154917/http://www.gps.caltech.edu/~mbrown/dps.html |
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|archive-date=2011-10-18 |
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}}</ref> However, [[light curve|light-curve]] analysis has questioned whether it really is one.<ref name="Uruguayo">{{Cite web |
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|date=13 October 2008 |
|date=13 October 2008 |
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|title=Dwarf Planet & Plutoid Headquarters |
|title=Dwarf Planet & Plutoid Headquarters |
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{{Trans-Neptunian objects}} |
{{Trans-Neptunian objects}} |
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{{Dwarf planets}} |
{{Dwarf planets}} |
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{{Authority control}} |
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{{DEFAULTSORT:120348}} |
{{DEFAULTSORT:120348}} |
Latest revision as of 19:21, 27 November 2023
Discovery | |
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Discovered by | M. E. Brown C. Trujillo D. L. Rabinowitz |
Discovery site | Palomar Obs. |
Discovery date | 3 October 2004 |
Designations | |
(120348) 2004 TY364 | |
TNO[1] · cubewano[2] SCATEXTD[3] Other[4] | |
Orbital characteristics[1] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 3 | |
Observation arc | 11834 days (32.40 yr) |
Earliest precovery date | 16 July 1983 |
Aphelion | 41.384 AU (6.1910 Tm) |
Perihelion | 36.176 AU (5.4119 Tm) |
38.780 AU (5.8014 Tm) | |
Eccentricity | 0.067140 |
241.50 yr (88208.5 d) | |
265.93° | |
0° 0m 14.692s / day | |
Inclination | 24.8499° |
140.6141° | |
≈ 12 May 2079[5] ±6 days | |
359.71° | |
Earth MOID | 35.1896 AU (5.26429 Tm) |
Jupiter MOID | 30.8216 AU (4.61085 Tm) |
Physical characteristics | |
Dimensions | 512+37 −40 km[6] |
11.70 h (0.488 d)[1] | |
0.107+0.020 −0.015[6] | |
20.4[7] | |
4.520±0.070,[6] 4.8[1] | |
(120348) 2004 TY364, provisionally known as 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).[2] Its inclination of almost 25 degrees disqualifies it as such in Marc Buie's definition[specify].[3] 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.
Light-curve analysis suggests it is not a dwarf planet.[9]
As of 2014[update], it is 39.2 AU from the Sun.[7]
References
[edit]- ^ a b c d "JPL Small-Body Database Browser: 120348 (2004 TY364)" (2005-09-01 last obs; arc: 22.13 years). Retrieved 7 April 2016.
- ^ a b Nomenclature in the outer Solar System
- ^ a b Marc W. Buie. "Orbit Fit and Astrometric record for 120348" (last observation: 2005-08-31 using 20 of 21 observations over 22 years). SwRI (Space Science Department). Retrieved 2014-11-13.
- ^ "MPEC 2010-S44 :Distant Minor Planets (2010 OCT. 11.0 TT)". IAU Minor Planet Center. 2010-09-25. Retrieved 2014-11-16.
- ^ JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
- ^ a b c Lellouch, E.; Santos-Sanz, P.; Lacerda, P.; Mommert, M.; Duffard, R.; Ortiz, J. L.; Müller, T. G.; Fornasier, S.; Stansberry, J.; Kiss, Cs.; Vilenius, E.; Mueller, M.; Peixinho, N.; Moreno, R.; Groussin, O.; Delsanti, A.; Harris, A. W. (September 2013). ""TNOs are Cool": A survey of the trans-Neptunian region. IX. Thermal properties of Kuiper belt objects and Centaurs from combined Herschel and Spitzer observations" (PDF). Astronomy & Astrophysics. 557: A60. arXiv:1202.3657. Bibcode:2013A&A...557A..60L. doi:10.1051/0004-6361/201322047. Retrieved 7 November 2014.
- ^ a b "AstDys (120348) 2004TY364 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2009-12-10.
- ^ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 2014-11-13.
- ^ Gonzalo Tancredi & 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?)
External links
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