(425) Cornelia ( Latin Cornelia ) is an asteroid of the main belt , which belongs to the spectral class C. It was discovered on December 28, 1896 by the French astronomer Auguste Charlotte at the Nice Observatory and named after Cornelia , the mother of the Gracchus brothers , one of the noblest Romans [1] .
| (425) Cornelia | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Auguste Charlotte |
| Place of discovery | Nice |
| Discovery date | December 28, 1896 |
| Eponym | Cornelia |
| Alternative notation | 1896 DC ; 1949 SG 1 ; 1951 BC; 1952 HS 1 |
| Category | Main ring |
| Orbital characteristics | |
| Age of November 4, 2013 JD 2456600.5 | |
| Eccentricity ( e ) | 0.0616694 |
| Semimajor axis ( a ) | 431.708 million km (2,8857900 AU ) |
| Perihelion ( q ) | 405.085 million km (2.7078251 AU) |
| Aphelion ( Q ) | 458.331 million km (3.0637549 AU) |
| Circulation Period ( P ) | 1790.587 days (4.902 g. ) |
| Average orbital speed | 17.517 km / s |
| Inclination ( i ) | 4.04975 ° |
| Longitude node (Ω) | 61.17721 ° |
| Perihelion Argument (ω) | 122.32807 ° |
| Median Anomaly ( M ) | 263,80565 ° |
| physical characteristics | |
| Diameter | 63.85 km |
| Weight | 2.73⋅10 17 kg |
| Density | 2,000 g / cm³ |
| Acceleration of gravity on the surface | 0.0179 m / s² |
| 2nd space speed | 0.0338 km / s |
| Rotation period | 17.56 h |
| Spectral class | C |
| Apparent magnitude | 14.96 m (current) |
| Absolute magnitude | 9.6 m |
| Albedo | 0.0475 |
| Average surface temperature | 166 K (−107 ° C ) |
| Current distance from the sun | 2.741 a. e. |
| Current distance from earth | 3.74 a. e. |
The orbit of the asteroid Cornelia and its position in the solar system
See also
- List of asteroids ( 401-500 )
- Classifications of Minor Planets
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 49. - ISBN 3-540-00238-3 .