(1508) Kemi ( lat. Kemi ) - an asteroid belonging to the group of asteroids crossing the orbit of Mars , which belongs to the dark spectral class C. It was discovered on October 21, 1938 by the Finnish astronomer Heikki Alikoski at the Turku Observatory and named after the Finnish city of Kemi [1] .
- The orbit of Kem's asteroid and its position in the solar system
| (1508) Kemi | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | H. Alikoski |
| Detection point | Turku |
| Date of discovery | October 21, 1938 |
| Eponym | Kemi |
| Alternative designations | 1938 UP ; 1935 FA; 1938 UO |
| Category | Mars crossers |
| Orbital characteristics | |
| The era of December 9, 2014 JD 2457000.5 | |
| Eccentricity ( e ) | 0.4172795 |
| Semi-axis ( a ) | 414.563 million km (2.7711801 a. E.) |
| Perihelion ( q ) | 241.574 million km (1,6148235 a. E.) |
| Afhelia ( Q ) | 587.551 million km (3.9275367 a. E.) |
| Period of circulation ( P ) | 1684.983 days (4.613 g ) |
| Average orbital speed | 17,083 km / s |
| Inclination ( i ) | 28.72208 ° |
| Ascending node longitude (Ω) | 14.32078 ° |
| Perihelion Argument (ω) | 92.86558 ° |
| Mean Anomaly ( M ) | 140.49696 ° |
| physical characteristics | |
| Diameter | 10 - 23 km |
| Rotation period | 9,196 h |
| Spectral class | C |
| Apparent magnitude | 18.24 m (current) |
| Absolute magnitude | 12.03 m |
| Current distance from the Sun | 3,805 a. e. |
| Current distance from Earth | 3.201 a. e. |
See also
- List of asteroids ( 1401-1500 )
- Small Planet Classifications
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003. - P. 120. - ISBN 3-540-00238-3 .