 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
|
|
Antiope (minor planet 90)
The first asteroid shown to be a binary system; its two components, each about 85 km across, are separated by about 170 km and complete an orbit around one another every 16.5 hours. Antiope was discovered in 1866 by the German astronomer R. Luther and is a member of the Themis family.
| Spectral class | C |
| Albedo | 0.05 |
| Semimajor axis | 3.155 AU |
| Perihelion | 2.665 AU |
| Aphelion | 3.645 AU |
| Eccentricity | 0.155 |
| Inclination | 2.2° |
| Period | 5.60 years |
Related entry
• Antiope in mythology (Encyclopedia of History)
Related category
• NOTABLE ASTEROIDS, CENTAURS, AND KUIPER BELT OBJECTS
Also on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History
Transport Concepts & Designs (partner site)