(354) Eleonora

from Wikipedia, the free encyclopedia
Asteroid
(354) Eleonora
Properties of the orbit ( animation )
Orbit type Middle main belt
Major semi-axis 2,799  AU
eccentricity 0.115
Perihelion - aphelion 2.478 AU - 3.12 AU
Inclination of the orbit plane 18.4 °
Length of the ascending node 140.4 °
Argument of the periapsis 6.5 °
Time of passage of the perihelion April 21, 2010
Sidereal period 4 a 250 d
Mean orbital velocity 17.7 km / s
Physical Properties
Medium diameter 155.2 km
Albedo 0.1948
Rotation period 4 h 17 min
Absolute brightness 6.44 mag
Spectral class S.
history
Explorer Auguste Charlois
Date of discovery January 17, 1893
Another name 1893 A, A918RF
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.

(354) Eleonora is an asteroid of the main belt that was discovered by Auguste Charlois in Nice on January 17, 1893 .

See also