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==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}}



Revision as of 00:47, 23 October 2019

661 Cloelia
Discovery
Discovered byJoel Hastings Metcalf
Discovery siteTaunton, Massachusetts
Discovery date22 February 1908
Designations
(661) Cloelia
1908 CL
Orbital characteristics[1]
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.

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.[2]

References

  1. ^ Yeomans, Donald K., "661 Cloelia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
  2. ^ 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.