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{{Use dmy dates|date=October 2019}}
{{Infobox planet
{{Infobox planet
| minorplanet= yes
| discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0
| background= #D6D6D6
| name=661 Cloelia
| name= 661 Cloelia
| mpc_name= (661) Cloelia
| alt_names= 1908 CL
| alt_names= 1908 CL
| pronounced= {{IPAc-en|'|k|l|iː|l|i|ə}}<ref>Noah Webster (1884) ''A Practical Dictionary of the English Language''</ref>
| discoverer= [[Joel Hastings Metcalf]]
| discoverer= [[Joel Hastings Metcalf]]
| discovered= February 22, 1908
| discovered= 22 February 1908
| discovery_site= [[Taunton, Massachusetts]]
| discovery_site= [[Taunton, Massachusetts]]
| orbit_ref = <ref name="JPL"/>
| orbit_ref= <ref name="JPL"/>
| epoch=August 18, 2005 ([[Julian day|JDCT]] 2453600.5)
| epoch= 31 July 2016 ([[Julian day|JD]] 2457600.5)
| eccentricity= 0.037
| eccentricity= 0.033930
| semimajor= 3.017 AU
| semimajor= {{Convert|3.0166|AU|Gm|abbr=on}}
| perihelion= 2.905 AU
| perihelion= {{Convert|2.9143|AU|Gm|abbr=on}}
| aphelion= 3.128 [[Astronomical unit|AU]]
| aphelion= {{Convert|3.1190|AU|Gm|abbr=on|lk=on}}
| period= 5.239 [[Julian year (astronomy)|a]]
| period= 5.24 [[Julian year (astronomy)|yr]] (1913.7 [[Julian year (astronomy)|d]])
| inclination= 9.258°
| inclination= 9.2315°
| asc_node= 336.030°
| asc_node= 335.823°
| arg_peri= 169.585°
| arg_peri= 181.133°
| mean_anomaly= 227.866°
| mean_anomaly= 248.593[[Degree (angle)|°]]
| mean_motion= {{Deg2DMS|0.18812|sup=ms}} / day
| observation_arc= 97.95 yr (35777 d)
| uncertainty= 0
| abs_magnitude= 9.6
| rotation= {{Convert|5.536|h|d|abbr=on|lk=on}}
| albedo= {{val|0.1076|0.007}}
| mean_radius= {{val|24.025|0.75}} [[Kilometre|km]]
}}
}}


'''661 Cloelia''' is a [[minor planet]] orbiting the [[Sun]] that was discovered by American astronomer [[Joel Hastings Metcalf]] on February 22, 1908.
'''661 Cloelia''' is a [[minor planet]] orbiting the [[Sun]] that was discovered by American astronomer [[Joel Hastings Metcalf]] on February 22, 1908.


This is a member of the dynamic [[Eos family]] of asteroids that most likely formed as the result of a collisional breakup of a parent body.<ref name="Veeder1995"/>
Cloelia is a member of the dynamic [[Eos family]] of asteroids that most likely formed as the result of a collisional breakup of a parent body.<ref name="Veeder1995"/>

The planet is named after the Ancient Roman woman [[Cloelia]].<ref>{{Cite book|title=Dictionary of Minor Planet Names|last=Schmadel|first=Lutz D.|publisher=Springer Science & Business Media|year=2013|isbn=9783662028049|pages=103}}</ref>
The name may have been inspired by the asteroid's provisional designation ''1908 CL''.


==References==
==References==
{{Reflist|refs=
{{Reflist|refs=

<ref name="JPL">{{Citation
<ref name="JPL">{{Citation
| first1 = Donald K.
| first1 = Donald K.
Line 30: Line 45:
| title = 661 Cloelia
| title = 661 Cloelia
| work = JPL Small-Body Database Browser
| work = JPL Small-Body Database Browser
| publisher = NASA Jet Propulsion Laboratory
| publisher = [[NASA Jet Propulsion Laboratory]]
| url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=661
| url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=661
| access-date= 5 May 2016
| accessdate= 2013-03-30
| postscript= .
| postscript= .
}}</ref>
}}</ref>
Line 57: Line 72:
| doi = 10.1006/icar.1995.1053
| doi = 10.1006/icar.1995.1053
| bibcode = 1995Icar..114..186V
| bibcode = 1995Icar..114..186V
| id = {{citeseerx|10.1.1.31.2739}}
| citeseerx = 10.1.1.31.2739
| accessdate= <!-- 2013-04-06 -->
| access-date= <!-- 2013-04-06 -->
| postscript= .
| postscript= .
| url= https://trs.jpl.nasa.gov/bitstream/2014/29296/1/95-0212.pdf
}}</ref>
}}
}}</ref>

}} <!-- end of reflist -->


==External links==
==External links==
* {{AstDys|661}}
* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.txt Discovery Circumstances: Numbered Minor Planets]
* {{JPL small body}}
* {{JPL small body}}


{{Minor planets navigator|660 Crescentia|662 Newtonia}}
{{Minor planets navigator |660 Crescentia|number=661 |662 Newtonia}}
{{Small Solar System bodies}}
{{Small Solar System bodies}}
{{Authority control}}


{{DEFAULTSORT:000661}}
{{DEFAULTSORT:000661}}
[[Category:Eos asteroids]]
[[Category:Eos asteroids]]
[[Category:Minor planets named from Roman mythology|Cloelia]]
[[Category:Discoveries by Joel Hastings Metcalf|Cloelia]]
[[Category:Astronomical objects discovered in 1908|19080222]]
[[Category:Named minor planets|Cloelia]]
[[Category:S-type asteroids (Tholen)]]
[[Category:K-type asteroids (SMASS)]]
[[Category:K-type asteroids (SMASS)]]
[[Category:Discoveries by Joel Metcalf|Cloelia]]
[[Category:Astronomical objects discovered in 1908|19080222]]
[[Category:Numbered asteroids]]
[[Category:Cultural depictions of Cloelia]]




Latest revision as of 14:59, 25 December 2023

661 Cloelia
Discovery
Discovered byJoel Hastings Metcalf
Discovery siteTaunton, Massachusetts
Discovery date22 February 1908
Designations
(661) Cloelia
Pronunciation/ˈkliːliə/[1]
1908 CL
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc97.95 yr (35777 d)
Aphelion3.1190 AU (466.60 Gm)
Perihelion2.9143 AU (435.97 Gm)
3.0166 AU (451.28 Gm)
Eccentricity0.033930
5.24 yr (1913.7 d)
248.593°
0° 11m 17.232s / day
Inclination9.2315°
335.823°
181.133°
Physical characteristics
24.025±0.75 km
5.536 h (0.2307 d)
0.1076±0.007
9.6

661 Cloelia is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on February 22, 1908.

Cloelia is a member of the dynamic Eos family of asteroids that most likely formed as the result of a collisional breakup of a parent body.[3]

The planet is named after the Ancient Roman woman Cloelia.[4] The name may have been inspired by the asteroid's provisional designation 1908 CL.

References

[edit]
  1. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  2. ^ Yeomans, Donald K., "661 Cloelia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
  3. ^ Veeder, G. J.; et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry" (PDF), Icarus, vol. 114, pp. 186–196, Bibcode:1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi:10.1006/icar.1995.1053.
  4. ^ Schmadel, Lutz D. (2013). Dictionary of Minor Planet Names. Springer Science & Business Media. p. 103. ISBN 9783662028049.
[edit]


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