(358) Apollonia ( Greek: Ἀπολλωνία ) is a typical asteroid of the main belt , which is characterized by slow rotation around its axis. It was discovered on March 8, 1893 by the French astronomer Auguste Charlois at the Nice Observatory and named after the port of Apollonia of Illyria , the largest ancient Greek port in Illyria [1] .
| (358) Apollonia | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Auguste Charlotte |
| Place of discovery | Nice |
| Discovery date | March 8, 1893 |
| Eponym | Apollonia |
| Alternative notation | 1893 K ; 1949 OG 1 ; A901 XA |
| Category | Main ring |
| Orbital characteristics | |
| Age of April 18, 2013 JD 2456400.5 | |
| Eccentricity ( e ) | 0,1511009 |
| Semimajor axis ( a ) | 430.328 million km (2.8765641 AU ) |
| Perihelion ( q ) | 365.305 million km (2.4419127 AU) |
| Aphelion ( Q ) | 495.351 million km (3.3112155 AU) |
| Circulation Period ( P ) | 1782.007 days (4.879 g. ) |
| Average orbital speed | 17.461 km / s |
| Inclination ( i ) | 3,54873 ° |
| Longitude node (Ω) | 172.21811 ° |
| Perihelion Argument (ω) | 253.75359 ° |
| Median Anomaly ( M ) | 296.52874 ° |
| physical characteristics | |
| Diameter | 89.45 km |
| Weight | 7.49⋅10 17 kg |
| Density | 2,000 g / cm³ |
| Acceleration of free fall on the surface | 0.0250 m / s² |
| 2nd space speed | 0.0473 km / s |
| Rotation period | 50.6 h |
| Apparent magnitude | (Ch) |
| Absolute magnitude | 9.10 m |
| Albedo | 0,0506 |
| Average surface temperature | 166 K (−107 ° C ) |
| Current distance from the sun | 2.613 a. e. |
| Current distance from earth | 3,532 a. e. |
The orbit of the asteroid Apollonius and its position in the solar system
See also
- The list of asteroids ( 301-400 )
- 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. 45. - ISBN 3-540-00238-3 .