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| 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://cfa-www.harvard.edu/iau/lists/TNOs.html|title=List Of Transneptunian Objects|accessdate=August 2, 2010|publisher=IAU Minor Planet Center}}</ref>
| discoverer=[[Michael E. Brown]],<br/> [[Chadwick A. Trujillo]]<ref name=iau>{{Cite web|url=http://cfa-www.harvard.edu/iau/lists/TNOs.html|title=List Of Transneptunian Objects|accessdate=August 2, 2010|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=''none''
| 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|Resonant]])<ref name="MPEC 2009-R09">{{Cite web
|title=MPEC 2009-R09 : DISTANT MINOR PLANETS (2009 SEPT. 16.0 TT)
|title=MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)
|date=2009-09-04
|date=2009-09-04
|publisher=IAU Minor Planet Center
|publisher=IAU Minor Planet Center
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| arg_peri=354.4°
| arg_peri=354.4°
| mean_anomaly=13.5°
| mean_anomaly=13.5°
| orbit_ref=<ref name=iau/><ref name="jpldata">{{cite web
| orbit_ref=<ref name=iau/><ref name="jpldata">{{Cite web
|date=2009-02-02 last obs
|date=2009-02-02 last obs
|title=JPL Small-Body Database Browser: (126154) 2001 YH140
|title=JPL Small-Body Database Browser: (126154) 2001 YH140
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| abs_magnitude=5.8<ref name=Muller2010/>
| abs_magnitude=5.8<ref name=Muller2010/>
| albedo=0.06–0.10<ref name=Muller2010/>
| albedo=0.06–0.10<ref name=Muller2010/>
| spectral_type =
| spectral_type =
| single_temperature=~42 [[kelvin|K]]}}
| single_temperature=~42 [[kelvin|K]]}}
'''{{mp|(126154) 2001 YH|140}}''', also written as '''(126154) 2001 YH140''', is a resonant trans-neptunian object discovered on December 18, 2001 by C. A. Trujillo, M. E. Brown.
'''{{mp|(126154) 2001 YH|140}}''', 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==
==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|pages=787–798|url=http://adsabs.harvard.edu/abs/2007AJ....134..787S}}</ref>
(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|pages=787–798|url=http://adsabs.harvard.edu/abs/2007AJ....134..787S}}</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|url=http://adsabs.harvard.edu/abs/2010A%26A...518L.146M}}</ref>
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|url=http://adsabs.harvard.edu/abs/2010A%26A...518L.146M}}</ref>


==References==
==References==
{{reflist}}
{{Reflist}}


{{MinorPlanets Navigator|(126153) 2001 YN139|PageName={{mp|(126154) 2001 YH|140}}|(126155) 2001 YJ140}}
{{MinorPlanets Navigator|(126153) 2001 YN139|PageName={{mp|(126154) 2001 YH|140}}|(126155) 2001 YJ140}}
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{{Trans-Neptunian objects}}
{{Trans-Neptunian objects}}


{{DEFAULTSORT:2001 YH140}}
{{DEFAULTSORT:2001 Yh140}}
⚫
[[Category:5:3 resonance]]




{{centaurTNO-stub}}
{{CentaurTNO-stub}}

⚫
[[Category:5:3 resonance]]

Revision as of 11:05, 26 September 2010

(126154) 2001 YH140
Discovery
Discovered byMichael E. Brown,
Chadwick A. Trujillo[1]
Discovery dateDecember 18, 2001
Designations
Designation
(126154) 2001 YH140
none
TNO (Resonant)[2]
Orbital characteristics[1][3]
Epoch December 31, 2006 (JD 2454100.5)
Aphelion48.39 AU
Perihelion36.368 AU
42.204 AU)
Eccentricity0.138
100297.827 d (274.60 a)
13.5°
Inclination11.1°
108.9°
354.4°
Physical characteristics
Dimensions345 ± 45 km[4]
Mass~4.0×1019 kg
Mean density
2.0 g/cm³ (assumed)
~0.09 m/s²
~0.18 km/s
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 the 5:3 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 equivalent size was estimated to lie within a range from 300 to 390 km.[4]

References

  1. ^ a b "List Of Transneptunian Objects". IAU Minor Planet Center. Retrieved August 2, 2010.
  2. ^ "MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 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. 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: 787–798. doi:10.1086/519072.


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