(234) Barbara
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Asteroid (234) Barbara |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2.386 AU |
| eccentricity | 0.244 |
| Perihelion - aphelion | 1.804 AU - 2.968 AU |
| Inclination of the orbit plane | 15.4 ° |
| Length of the ascending node | 144.6 ° |
| Argument of the periapsis | 192.1 ° |
| Time of passage of the perihelion | January 11, 2009 |
| Sidereal period | 3 a 251 d |
| Mean orbital velocity | 19.0 km / s |
| Physical Properties | |
| Medium diameter | 44 km |
| Albedo | 0.2276 |
| Rotation period | 26 h 30 min |
| Absolute brightness | 9.02 mag |
| Spectral class | S. |
| history | |
| Explorer | CHF Peters |
| Date of discovery | August 12, 1883 |
| Another name | 1942 RL 1 , 1953 RE, 1975 XP |
| 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. | |
(234) Barbara is an asteroid of the main asteroid belt , which on 12 August 1883 by Christian Heinrich Friedrich Peters at the observatory of Clinton ( United States was discovered).
Barbara moves from 1.8036 ( perihelion ) to 2.9683 ( aphelion ) astronomical units around the sun in 3.6856 years . The orbit is inclined 15.3519 ° to the ecliptic , the orbital eccentricity is 0.2441.
Barbara has a diameter of 44 kilometers. The asteroid has a bright, silicate-rich surface with an albedo of 0.228. It rotates around its own axis in 26 hours and 30 minutes.