(181) Eucharis
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.