(264) Libussa
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Asteroid (264) Libussa |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.8 AU |
| eccentricity | 0.135 |
| Perihelion - aphelion | 2.423 AU - 3.177 AU |
| Inclination of the orbit plane | 10.4 ° |
| Length of the ascending node | 49.7 ° |
| Argument of the periapsis | 340.9 ° |
| Time of passage of the perihelion | December 11, 2017 |
| Sidereal period | 4 a 250 d |
| Mean orbital velocity | 17.7 km / s |
| Physical Properties | |
| Medium diameter | approx. 63 km |
| Albedo | 0.187 |
| Rotation period | 9.2276 h |
| Absolute brightness | 8.42 mag |
| Spectral class | S. |
| history | |
| Explorer | CHF Peters |
| Date of discovery | December 22, 1886 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(264) Libussa is an asteroid of the main asteroid belt , which on 22 December 1886 by Christian Heinrich Friedrich Peters at the observatory of Clinton ( United States was discovered).
The celestial body was named after Libussa , the legendary founder of the city of Prague .
Libussa moves at a distance of 2.4194 ( perihelion ) to 3.1767 ( aphelion ) astronomical units in 4.68 years around the sun . The orbit is inclined 10.4341 ° to the ecliptic , the orbital eccentricity is 0.1353.
Libussa has an average diameter of about 63 kilometers. It has a very light, silicate-rich surface with an albedo of 0.187. It rotates around its own axis in around 9 hours and 14 minutes.