(369) Aeria ( Latin Aëria ) is a rather large asteroid of the main belt , belonging to the metal-rich spectral class M. It was discovered on July 4, 1893 by the French astronomer Alphonse Borelli at the Marseille Observatory and is named after the , one of the four fundamental principles of the world, according to ancient Greek philosophy [1] .
| (369) Aria | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Alphonse Borelli |
| Detection point | Marseilles |
| Date of discovery | July 4, 1893 |
| Alternative designations | 1893 AE ; 1949 MY; A894 WA |
| Category | Main ring |
| Orbital characteristics | |
| The era of April 18, 2013 JD 2456400.5 | |
| Eccentricity ( e ) | 0.0981482 |
| Semi-axis ( a ) | 396.239 million km (2,6486933 a. E.) |
| Perihelion ( q ) | 357.349 million km (2,3887288 a. E.) |
| Afhelia ( Q ) | 435.129 million km (2,9086578 a. E.) |
| Period of circulation ( P ) | 1574.512 days (4.311 g ) |
| Average orbital speed | 18.257 km / s |
| Inclination ( i ) | 12.70851 ° |
| Ascending node longitude (Ω) | 94.28869 ° |
| Perihelion Argument (ω) | 268.56774 ° |
| Mean Anomaly ( M ) | 199.95649 ° |
| physical characteristics | |
| Diameter | 60.00 km |
| Weight | 2.26⋅10 17 kg |
| Density | 2,000 g / cm³ |
| Acceleration of gravity on the surface | 0,0168 m / s² |
| 2nd cosmic speed | 0.0317 km / s |
| Rotation period | 4,7781 h |
| Spectral class | M |
| Apparent magnitude | 13.17 m (current) |
| Absolute magnitude | 8.52 m |
| Albedo | 0.1919 |
| Average surface temperature | 166 K (−107 ° C ) |
| Current distance from the Sun | 2.39 a. e. |
| Current distance from Earth | 2,097 a. e. |
Asteroid orbit Aeriya and its position in the solar system
See also
- List of asteroids ( 301-400 )
- Small Planet Classifications
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003. - P. 45. - ISBN 3-540-00238-3 .