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{{DISPLAYTITLE:(126154) 2001 YH<sub>140</sub>}}
{{DISPLAYTITLE:{{mp|(126154) 2001 YH|140}}}}
{{Infobox Planet
{{Infobox planet
| minorplanet=yes
| bgcolour=#FFFFC0
| background=#C2E0FF
| name={{mp|(126154) 2001 YH|140}}
| name={{mp|(126154) 2001 YH|140}}
⚫
| 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|access-date=2011-01-08|publisher=[[IAU Minor Planet Center]]}}</ref>
| discovery=yes
| discovered=18 December 2001
⚫
| 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
| mpc_name={{mp|(126154) 2001 YH|140}}
⚫
| alt_names=
| mp_name={{mp|(126154) 2001 YH|140}}
⚫
| mp_category=[[trans-Neptunian object|TNO]] ([[Resonant trans-Neptunian object|3:5 resonance]])<ref name="MPEC 2009-R09">{{Cite web
⚫
| alt_names=''none''
⚫
| 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 (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
|publisher=IAU Minor Planet Center
|publisher=IAU Minor Planet Center
|url=http://www.cfa.harvard.edu/mpec/K09/K09R09.html
|url=https://minorplanetcenter.net/mpec/K09/K09R09.html
|accessdate=2009-10-04}}</ref>
|access-date=2009-10-04}}</ref>
| epoch=December 31, 2006 ([[Julian day|JD]] 2454100.5)
| epoch=13 January 2016 ([[Julian day|JD]] 2457400.5)
| semimajor=42.204 [[Astronomical unit|AU]])
| semimajor={{Convert|42.577|AU|Tm|abbr=on}}
| perihelion=36.368 AU
| perihelion={{Convert|36.428|AU|Tm|abbr=on}}
| aphelion=48.39 AU
| aphelion={{Convert|48.725|AU|Tm|abbr=on|lk=on}}
| eccentricity=0.138
| eccentricity=0.14441
| period=100297.827 [[day|d]] (274.60 [[Julian year (astronomy)|a]])
| period=277.82 [[Julian year (astronomy)|yr]] (101475 [[Julian year (astronomy)|d]])
| inclination=11.1[[degree (angle)|°]]
| inclination=11.069°
| asc_node=108.9°
| asc_node=108.84°
| arg_peri=354.4°
| arg_peri=356.62°
| mean_anomaly=13.5°
| mean_anomaly=19.455[[Degree (angle)|°]]
| 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
|type = last obs
|title=JPL Small-Body Database Browser: (126154) 2001 YH140
|title=JPL Small-Body Database Browser: (126154) 2001 YH140
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=126154
|url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=126154
|accessdate=2010-08-03}}</ref>
|access-date=11 April 2016}}</ref>
| satellites=
| satellites=
| physical_characteristics=yes
| dimensions={{nowrap|345 ± 45 km}}<ref name=Muller2010/>
| dimensions={{nowrap|345 ± 45 km}}<ref name=Muller2010/>
| mass=~4.0{{e|19}} [[kilogram|kg]]
| mass=~4.0{{e|19}} kg
| density=2.0 g/[[cubic centimetre|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=
| abs_magnitude=5.8<ref name=Muller2010/>
| abs_magnitude=5.8,<ref name=Muller2010/> 5.5<ref name="jpldata"/>
| albedo=0.06–0.10<ref name=Muller2010/>
| albedo=0.06–0.10<ref name=Muller2010/>
⚫
| single_temperature=~42 [[kelvin|K]]
| spectral_type =
| mean_motion={{Deg2DMS|0.0035477|sup=ms}} / day
⚫
| single_temperature=~420000 [[kelvin|K]]}}
| rotation={{Convert|13.25|h|d|abbr=on|lk=on}}
'''{{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.
| observation_arc=4777 days (13.08 yr)
| uncertainty=2
}}

'''{{mp|(126154) 2001 YH|140}}''' ([[Minor planet provisional designation|provisional designation]] '''{{mp|2001 YH|140}}''') is a resonant [[trans-Neptunian object]] discovered on 18 December 2001, by American astronomers [[Chad Trujillo]] and [[Michael E. Brown|Michael Brown]] at the [[Palomar Observatory]] in California. It measures approximately 345 kilometers in diameter.<ref name=Muller2010/>


==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>
{{mp|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|(126154) 2001 YH|140}} is estimated to be {{nowrap|13.25 ± 0.2 hours}}.<ref name=Sheppard2007>{{Cite journal | doi = 10.1086/519072| bibcode = 2007AJ....134..787S| arxiv = 0704.1636| title = Light Curves of Dwarf Plutonian Planets and other Large Kuiper Belt Objects: Their Rotations, Phase Functions, and Absolute Magnitudes| journal = [[The Astronomical Journal]]| volume = 134| issue = 2| pages = 787–798| date = August 2007| last1 = Sheppard | first1 = Scott S. | s2cid = 56247384}}</ref>


==Physical characteristics==
==Physical characteristics==
In 2010 thermal flux from {{mp|(126154) 2001 YH|140}} in the [[far-infrared]] was measured by the [[Herschel Space Telescope]]. As a result, its size has been estimated to be {{convert|300|–|390|km|abbr=on}}.<ref name=Muller2010>{{Cite journal | doi = 10.1051/0004-6361/201014683| bibcode=2010A&A...518L.146M| arxiv = 1005.2923| title = "TNOs are Cool": A survey of the trans-Neptunian region| journal = [[Astronomy and Astrophysics]]| volume = 518| pages = L146| date = July–August 2010| last1 = Müller | first1 = T. G.| last2 = Lellouch | first2 = E.| last3 = Stansberry | first3 = J.| last4 = Kiss | first4 = C.| last5 = Santos-Sanz | first5 = P.| last6 = Vilenius | first6 = E.| last7 = Protopapa | first7 = S.| last8 = Moreno | first8 = R.| last9 = Mueller | first9 = M.| last10 = Delsanti | first10 = A.| last11 = Duffard | first11 = R.| last12 = Fornasier | first12 = S.| last13 = Groussin | first13 = O.| last14 = Harris | first14 = A. W.| last15 = Henry | first15 = F.| last16 = Horner | first16 = J.| last17 = Lacerda | first17 = P.| last18 = Lim | first18 = T.| last19 = Mommert | first19 = M.| last20 = Ortiz | first20 = J. L.| last21 = Rengel | first21 = M.| last22 = Thirouin | first22 = A.| last23 = Trilling | first23 = D.| last24 = Barucci | first24 = A.| last25 = Crovisier | first25 = J.| last26 = Doressoundiram | first26 = A.| last27 = Dotto | first27 = E.| last28 = Gutiérrez | first28 = P. J.| last29 = Hainaut | first29 = O. R.| last30 = Hartogh | first30 = P.| s2cid=118635387}}</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}}

==External links==
* {{JPL small body|id=126154}}


{{MinorPlanets Navigator|(126153) 2001 YN139|PageName={{mp|(126154) 2001 YH|140}}|(126155) 2001 YJ140}}
{{Minor planets navigator | |number=126154 |PageName={{mp|(126154) 2001 YH|140}} |(126155) 2001 YJ140}}
{{Small Solar System bodies}}
{{MinorPlanets Footer}}
{{Trans-Neptunian objects}}
{{Trans-Neptunian objects}}
{{Authority control}}


{{DEFAULTSORT:2001 Yh140}}
{{DEFAULTSORT:2001 YH140}}
[[Category:5:3 resonance]]
[[Category:Trans-Neptunian objects in a 3:5 resonance|126154]]
[[Category:Discoveries by Michael E. Brown]]
[[Category:Discoveries by Chad Trujillo]]
[[Category:Astronomical objects discovered in 2001|20011218]]
[[Category:Possible dwarf planets|0126154]]




Latest revision as of 17:05, 24 December 2024

(126154) 2001 YH140
Discovery
Discovered byMichael E. Brown,
Chadwick A. Trujillo[1]
Discovery date18 December 2001
Designations
(126154) 2001 YH140
TNO (3:5 resonance)[2]
Orbital characteristics[1][3]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 2
Observation arc4777 days (13.08 yr)
Aphelion48.725 AU (7.2892 Tm)
Perihelion36.428 AU (5.4496 Tm)
42.577 AU (6.3694 Tm)
Eccentricity0.14441
277.82 yr (101475 d)
19.455°
0° 0m 12.772s / day
Inclination11.069°
108.84°
356.62°
Physical characteristics
Dimensions345 ± 45 km[4]
Mass~4.0×1019 kg
13.25 h (0.552 d)
13.25 ± 0.2 h[5]
0.06–0.10[4]
Temperature~42 K
5.8,[4] 5.5[3]

(126154) 2001 YH140 (provisional designation 2001 YH140) is a resonant trans-Neptunian object discovered on 18 December 2001, by American astronomers Chad Trujillo and Michael Brown at the Palomar Observatory in California. It measures approximately 345 kilometers in diameter.[4]

Orbit and rotation

[edit]

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 (126154) 2001 YH140 is estimated to be 13.25 ± 0.2 hours.[5]

Physical characteristics

[edit]

In 2010 thermal flux from (126154) 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 (190–240 mi).[4]

References

[edit]
  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. ^ a b "JPL Small-Body Database Browser: (126154) 2001 YH140" (last obs). 2009-02-02. Retrieved 11 April 2016.
  4. ^ a b c d e f Müller, T. G.; Lellouch, E.; Stansberry, J.; Kiss, C.; Santos-Sanz, P.; Vilenius, E.; Protopapa, S.; Moreno, R.; Mueller, M.; Delsanti, A.; Duffard, R.; Fornasier, S.; Groussin, O.; Harris, A. W.; Henry, F.; Horner, J.; Lacerda, P.; Lim, T.; Mommert, M.; Ortiz, J. L.; Rengel, M.; Thirouin, A.; Trilling, D.; Barucci, A.; Crovisier, J.; Doressoundiram, A.; Dotto, E.; Gutiérrez, P. J.; Hainaut, O. R.; Hartogh, P. (July–August 2010). ""TNOs are Cool": A survey of the trans-Neptunian region". Astronomy and Astrophysics. 518: L146. arXiv:1005.2923. Bibcode:2010A&A...518L.146M. doi:10.1051/0004-6361/201014683. S2CID 118635387.
  5. ^ a b Sheppard, Scott S. (August 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. S2CID 56247384.
[edit]


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