(181) Eucharis
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Asteroid (181) Eucharis |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.129 AU |
| eccentricity | 0.202 |
| Perihelion - aphelion | 2.496 AU - 3.762 AU |
| Inclination of the orbit plane | 18.9 ° |
| Length of the ascending node | 143.3 ° |
| Argument of the periapsis | 318.5 ° |
| Time of passage of the perihelion | July 16, 2010 |
| Sidereal period | 5 a 195 d |
| Mean orbital velocity | 16.7 km / s |
| Physical Properties | |
| Medium diameter | 107 ± 2.2 km |
| Albedo | 0.1135 |
| Rotation period | 52 h 14 min |
| Absolute brightness | 7.84 likes |
| Spectral class | S. |
| history | |
| Explorer | P. Cottenot |
| Date of discovery | February 2, 1878 |
| 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. | |
(181) Eucharis is an asteroid of the main outer asteroid belt discovered by Pablo Cottenot on February 2, 1878 . The heavenly body was named after Eucharis , a nymph from Greek mythology .
Eucharis moves at a distance of 2.51 ( perihelion ) to 3.76 ( aphelion ) astronomical units around the sun in 5.6 years . The orbit is inclined 18.8 ° to the ecliptic , the orbital eccentricity is 0.20.
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 in 1989.