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{{DISPLAYTITLE:(126154) 2001 YH<sub>140</sub>}}
{{DISPLAYTITLE:{{mp|(126154) 2001 YH|140}}}}
{{Infobox Planet
{{Infobox planet
| bgcolour=#FFFFC0
| bgcolour=#FFFFC0
| name={{mp|(126154) 2001 YH|140}}
| name={{mp|(126154) 2001 YH|140}}
| discovery=yes
| discovery=yes
| discoverer=[[Michael E. Brown]],<br/> [[Chadwick A. Trujillo]]<ref name=iau>{{Cite web|url=http://www.minorplanetcenter.org/iau/lists/TNOs.html|title=List Of Transneptunian Objects|accessdate=2011-01-08|publisher=IAU Minor Planet Center| archiveurl= http://web.archive.org/web/20101027133511/http://www.minorplanetcenter.org/iau/lists/TNOs.html| archivedate= 27 October 2010<!--Added by DASHBot-->}}</ref>
| discoverer=[[Michael E. Brown]],<br> [[Chadwick A. Trujillo]]<ref name=iau>{{Cite web|url=http://www.minorplanetcenter.org/iau/lists/TNOs.html|title=List Of Transneptunian Objects|accessdate=2011-01-08|publisher=IAU Minor Planet Center}}</ref>
| discovered=December 18, 2001
| discovered=December 18, 2001
| mp_name={{mp|(126154) 2001 YH|140}}
| mp_name={{mp|(126154) 2001 YH|140}}
| alt_names=''none''
| alt_names=
| mp_category=[[trans-Neptunian object|TNO]] ([[Resonant trans-Neptunian object|Resonant]])<ref name="MPEC 2009-R09">{{Cite web
| mp_category=[[trans-Neptunian object|TNO]] ([[Resonant trans-Neptunian object|3:5 resonance]])<ref name="MPEC 2009-R09">{{Cite web
|title=MPEC 2009-R09 :Distant Minor Planets (16 September 2009.0 TT)
|title=MPEC 2009-R09 :Distant Minor Planets (16 September 2009.0 TT)
|date=2009-09-04
|date=2009-09-04
Line 19: Line 19:
| aphelion=48.39 AU
| aphelion=48.39 AU
| eccentricity=0.138
| eccentricity=0.138
| period=100297.827 [[day|d]] (274.60 [[Julian year (astronomy)|a]])
| period=274.60 [[Julian year (astronomy)|a]] (100,297.827 [[day|d]])
| inclination=11.1[[degree (angle)|°]]
| inclination=11.1[[degree (angle)|°]]
| asc_node=108.9°
| asc_node=108.9°
Line 33: Line 33:
| dimensions={{nowrap|345 ± 45 km}}<ref name=Muller2010/>
| dimensions={{nowrap|345 ± 45 km}}<ref name=Muller2010/>
| mass=~4.0{{e|19}} kg
| mass=~4.0{{e|19}} kg
| density=2.0 g/cm³ (assumed)
| density=
| surface_grav=~{{Gr|0.04|170|2}} m/s²
| surface_grav=
| escape_velocity=~{{V2|0.04|170|2}} km/s
| escape_velocity=
| sidereal_day=13.25 ± 0.2 h<ref name=Sheppard2007/>
| sidereal_day=13.25 ± 0.2 h<ref name=Sheppard2007/>
| spectral_type=
| spectral_type=
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==Orbit and rotation==
==Orbit and rotation==
(126154) 2001 YH140 is locked in the 5:3 mean motion resonance with [[Neptune]].<ref name=Muller2010/> When it makes three revolutions around the Sun, Neptune makes exactly five. The rotation period of 2001 YH140 is estimated to be {{nowrap|13.25 ± 0.2 hours}}.<ref name=Sheppard2007>{{Cite journal|last=Sheppard|first=Scott S.|title=Light Curves of Dwarf Plutonian Planets and other Large Kuiper Belt Objects: Their Rotations, Phase Functions, and Absolute Magnitudes|year=2007|journal=The Astronomical Journal|volume=134 |doi=10.1086/519072|issue=2|pages=787–798|bibcode=2007AJ....134..787S|arxiv = 0704.1636 }}</ref>
{{mp|(126154) 2001 YH|140}} is locked in 3:5 mean motion resonance with [[Neptune]].<ref name=Muller2010/> When it makes three revolutions around the Sun, Neptune makes exactly five. The rotation period of {{mp|2001 YH|140}} is estimated to be {{nowrap|13.25 ± 0.2 hours}}.<ref name=Sheppard2007>{{Cite journal|last=Sheppard|first=Scott S.|title=Light Curves of Dwarf Plutonian Planets and other Large Kuiper Belt Objects: Their Rotations, Phase Functions, and Absolute Magnitudes|year=2007|journal=The Astronomical Journal|volume=134 |doi=10.1086/519072|issue=2|pages=787–798|bibcode=2007AJ....134..787S|arxiv = 0704.1636 }}</ref>


==Physical characteristics==
==Physical characteristics==
In 2010 thermal flux from 2001 YH140 in the [[far-infrared]] was measured by the [[Herschel Space Telescope]]. As a result its equivalent size was estimated to lie within a range from 300 to 390&nbsp;km.<ref name=Muller2010>{{Cite journal|last=Muller|first=T.G.|coauthors=Lellouch, E.; Stansberry, J. ''et al.''|title=“TNOs are Cool”: A survey of the trans-Neptunian region I. Results from the Herschel science demonstration phase (SDP)|journal=Astronomy and Astrophysics|volume=518|year=2010|page=L146|doi=10.1051/0004-6361/201014683|bibcode=2010A&A...518L.146M|arxiv = 1005.2923 }}</ref>
In 2010 thermal flux from {{mp|2001 YH|140}} in the [[far-infrared]] was measured by the [[Herschel Space Telescope]]. As a result its size has been estimated to be 300–390&nbsp;km.<ref name=Muller2010>{{Cite journal|last=Muller|first=T.G.|coauthors=Lellouch, E.; Stansberry, J. ''et al.''|title=“TNOs are Cool”: A survey of the trans-Neptunian region I. Results from the Herschel science demonstration phase (SDP)|journal=Astronomy and Astrophysics|volume=518|year=2010|page=L146|doi=10.1051/0004-6361/201014683|bibcode=2010A&A...518L.146M|arxiv = 1005.2923 }}</ref>


==References==
==References==
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{{DEFAULTSORT:2001 Yh140}}
{{DEFAULTSORT:2001 Yh140}}
[[Category:5:3 resonance]]
[[Category:3:5 resonance]]




Revision as of 20:03, 4 September 2012

(126154) 2001 YH140
Discovery
Discovered byMichael E. Brown,
Chadwick A. Trujillo[1]
Discovery dateDecember 18, 2001
Designations
Designation
(126154) 2001 YH140
TNO (3:5 resonance)[2]
Orbital characteristics[1][3]
Epoch December 31, 2006 (JD 2454100.5)
Aphelion48.39 AU
Perihelion36.368 AU
42.204 AU)
Eccentricity0.138
274.60 a (100,297.827 d)
13.5°
Inclination11.1°
108.9°
354.4°
Physical characteristics
Dimensions345 ± 45 km[4]
Mass~4.0×1019 kg
13.25 ± 0.2 h[5]
Albedo0.06–0.10[4]
Temperature~42 K
5.8[4]

(126154) 2001 YH140, also written as (126154) 2001 YH140, is a resonant trans-neptunian object discovered on December 18, 2001 by C. A. Trujillo, M. E. Brown.

Orbit and rotation

(126154) 2001 YH140 is locked in 3:5 mean motion resonance with Neptune.[4] When it makes three revolutions around the Sun, Neptune makes exactly five. The rotation period of 2001 YH140 is estimated to be 13.25 ± 0.2 hours.[5]

Physical characteristics

In 2010 thermal flux from 2001 YH140 in the far-infrared was measured by the Herschel Space Telescope. As a result its size has been estimated to be 300–390 km.[4]

References

  1. ^ a b "List Of Transneptunian Objects". IAU Minor Planet Center. Retrieved 2011-01-08.
  2. ^ "MPEC 2009-R09 :Distant Minor Planets (16 September 2009.0 TT)". IAU Minor Planet Center. 2009-09-04. Retrieved 2009-10-04.
  3. ^ "JPL Small-Body Database Browser: (126154) 2001 YH140". 2009-02-02 last obs. Retrieved 2010-08-03. {{cite web}}: Check date values in: |date= (help)
  4. ^ a b c d e Muller, T.G. (2010). ""TNOs are Cool": A survey of the trans-Neptunian region I. Results from the Herschel science demonstration phase (SDP)". Astronomy and Astrophysics. 518: L146. arXiv:1005.2923. Bibcode:2010A&A...518L.146M. doi:10.1051/0004-6361/201014683. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  5. ^ a b Sheppard, Scott S. (2007). "Light Curves of Dwarf Plutonian Planets and other Large Kuiper Belt Objects: Their Rotations, Phase Functions, and Absolute Magnitudes". The Astronomical Journal. 134 (2): 787–798. arXiv:0704.1636. Bibcode:2007AJ....134..787S. doi:10.1086/519072.


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