(714) Ulula
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Asteroid (714) Ulula |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Maria family |
| Major semi-axis | 2.535 AU |
| eccentricity | 0.056 |
| Perihelion - aphelion | 2.393 AU - 2.677 AU |
| Inclination of the orbit plane | 14.3 ° |
| Length of the ascending node | 233.9 ° |
| Argument of the periapsis | 231.9 ° |
| Time of passage of the perihelion | February 7, 2011 |
| Sidereal period | 4 a 13 d |
| Mean orbital velocity | 18.7 km / s |
| Physical Properties | |
| Medium diameter | approx. 39 km |
| Albedo | 0.27 |
| Rotation period | (7,000 ± 0.005) h |
| Absolute brightness | 9.1 mag |
| Spectral class | S. |
| history | |
| Explorer | Joseph Helffrich |
| Date of discovery | May 18, 1911 |
| Another name | 1911 LW |
| 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. | |
(714) Ulula is an asteroid of the main belt that was discovered on May 18, 1911 by the German astronomer Joseph Helffrich in Heidelberg .
The name of the asteroid is supposedly derived from the Latin name of the order Ulula of the owls .
See also
literature
- Manfred Stadler: Periods of rotation, UBV photometry and light curves of the asteroids 181 Eucharis, 377 Campania and 714 Ulula . Diploma thesis at the University of Graz, 1989.