(2997) Cabrera ( Spanish Cabrera ) - a typical asteroid of the main belt , which was discovered on June 17, 1974 in the observatory to them. Felix Aguilar and named after the Argentine astronomer Laurentino Cabrera (Laurentino Ascencio Cabrera) [1] .
| (2997) Cabrera | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | |
| Detection point | San juan |
| Date of discovery | June 17, 1974 |
| Alternative designations | 1974 MJ ; 1950 TA 4 ; 1977 EZ 7 |
| Category | Main ring |
| Orbital characteristics | |
| The era of April 18, 2013 JD 2456400.5 | |
| Eccentricity ( e ) | 0.1981673 |
| Semi-axis ( a ) | 382.213 million km (2.5549334 a. E.) |
| Perihelion ( q ) | 306.471 million km (2.0486291 a. E.) |
| Afhelia ( Q ) | 457.955 million km (3.0612377 a. E.) |
| Period of circulation ( P ) | 1491,653 days (4,084 g ) |
| Average orbital speed | 18,449 km / s |
| Inclination ( i ) | 7.19015 ° |
| Ascending node longitude (Ω) | 355,12831 ° |
| Perihelion Argument (ω) | 350.16781 ° |
| Mean Anomaly ( M ) | 135,85032 ° |
| physical characteristics | |
| Diameter | 5 - 12 km |
| Apparent magnitude | 15.94 m (current) |
| Absolute magnitude | 13.5 m |
| Current distance from the Sun | 2,167 a. e. |
| Current distance from Earth | 1.162 a. e. |
Orbit of the asteroid Cabrera and its position in the solar system
See also
- List of asteroids ( 2901-3000 )
- Small Planet Classifications
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003. - P. 247. - ISBN 3-540-00238-3 .