(661) Clelia ( lat. Cloelia ) is an asteroid of the main belt , which belongs to the spectral class S and is a member of the Eos family [1] . It was discovered on February 22, 1908 by the American astronomer Joel Metcalf at the Taunton Observatory and is named after the legendary ancient Roman girl Clelia. [2]
| (661) Clelia | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Joel metcalf |
| Detection point | Taunton |
| Date of discovery | February 22, 1908 |
| Eponym | Clelia |
| Alternative designations | 1908 CL ; 1929 CF; 1930 KC; 1936 RJ; 1950 HM |
| Category | Main ring ( Eos Family ) |
| Orbital characteristics | |
| The era of May 23, 2014 JD 2456800.5 | |
| Eccentricity ( e ) | 0.033827103293 |
| Semi-axis ( a ) | 451.305 million km (3,016787201397 a. E.) |
| Perihelion ( q ) | 436.039 million km (2,914738029122 a. E.) |
| Afhelia ( Q ) | 466.571 million km (3.118836373672 a. E.) |
| Period of circulation ( P ) | 1913,883 days (5.24 g ) |
| Average orbital speed | 17,143 km / s |
| Inclination ( i ) | 9.231488941367 ° |
| Ascending node longitude (Ω) | 335.8311883220 ° |
| Perihelion Argument (ω) | 180,2285085039 ° |
| Mean Anomaly ( M ) | 99.07388131289 ° |
| physical characteristics | |
| Diameter | 40,081 km |
| Rotation period | 5.536 h |
| Spectral class | S |
| Apparent magnitude | 15.1 m (current) |
| Absolute magnitude | 9.7 m |
| Albedo | 0.182 |
| Current distance from the Sun | 3.03 aa. e. |
| Current distance from Earth | 2.56 a. e. |
Orbit of the asteroid Clelia and its position in the solar system
Tisserans parameter relative to Jupiter - 3.227.
See also
- List of asteroids ( 601-700 )
- Small Planet Classifications
- Asteroid family
Notes
- ↑ Veeder, GJ; Matson, DL; Owensby, PD & Gradie, JC (March 1995), Eos, Koronis, and Maria asteroids family: Infrared (JHK) photometry , vol. 114, p. 186–196 , DOI 10.1006 / icar.1995.1053
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003. - P. 65. - ISBN 3-540-00238-3 .