(731) Sorga ( Latin Sorga ) - an asteroid of the main belt , which belongs to the dark spectral class D. It was discovered on February 11, 1912 by the German astronomer Adam Massinger at the Heidelberg Observatory and named after the Indonesian goddess of heaven [1] .
| (731) Sorghum | |
|---|---|
| Asteroid | |
 Three-dimensional model of the asteroid (731) Sorghum | |
| Opening | |
| Discoverer | Adam Massinger |
| Place of discovery | Heidelberg |
| Discovery date | April 15, 1912 |
| Alternative notation | 1912 OQ ; 1940 WP |
| Category | Main ring |
| Orbital characteristics | |
| Age of July 31, 2016 JD 2457600.5 | |
| Eccentricity ( e ) | 0.1400766 |
| Semimajor axis ( a ) | 446.917 million km (2,9874576 AE) |
| Perihelion ( q ) | 384.315 million km (2,5689847 AU) |
| Aphelion ( Q ) | 509.52 million km (3.4059305 AU) |
| Circulation Period ( P ) | 1 886,041 days (5,164 g ) |
| Average orbital speed | 17.147 km / s |
| Inclination ( i ) | 10.68941 ° |
| Longitude node (Ω) | 46.15719 ° |
| Perihelion Argument (ω) | 288.66414 ° |
| Median Anomaly ( M ) | 293.87394 ° |
| physical characteristics | |
| Diameter | 34.597 ± 0.409 km |
| Rotation period | 8.184 h |
| Spectral class | D |
| Apparent magnitude | (Xe) |
| Absolute magnitude | 9.62 m |
| Albedo | 0.209 |
| Current distance from the sun | 3.378 a. e. |
| Current distance from earth | 3,989 a e. |
The orbit of the asteroid Sorg and its position in the solar system
See also
- List of asteroids ( 701-800 )
- 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. 70. - ISBN 3-540-00238-3 .