Discovery | |
---|---|
Discovered by | Joel Hastings Metcalf |
Discovery site | Taunton, Massachusetts |
Discovery date | 22 February 1908 |
Designations | |
MPC designation | (661) Cloelia |
Pronunciation | /ˈkliːliə/ |
Alternative designations | 1908 CL |
Orbital characteristics | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 97.95 yr (35777 d) |
Aphelion | 3.1190 AU (466.60 Gm) |
Perihelion | 2.9143 AU (435.97 Gm) |
Semi-major axis | 3.0166 AU (451.28 Gm) |
Eccentricity | 0.033930 |
Orbital period (sidereal) | 5.24 yr (1913.7 d) |
Mean anomaly | 248.593° |
Mean motion | 0° 11 17.232 / day |
Inclination | 9.2315° |
Longitude of ascending node | 335.823° |
Argument of perihelion | 181.133° |
Physical characteristics | |
Mean radius | 24.025±0.75 km |
Synodic rotation period | 5.536 h (0.2307 d) |
Geometric albedo | 0.1076±0.007 |
Absolute magnitude (H) | 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.
The planet is named after the Ancient Roman woman Cloelia. The name may have been inspired by the asteroid's provisional designation 1908 CL.
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- Yeomans, Donald K., "661 Cloelia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
- 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.
- Schmadel, Lutz D. (2013). Dictionary of Minor Planet Names. Springer Science & Business Media. p. 103. ISBN 9783662028049.
External links
- 661 Cloelia at AstDyS-2, Asteroids—Dynamic Site
- 661 Cloelia at the JPL Small-Body Database
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