354 Eleonora

Minor Planet | name=354 Eleonora
discoverer=Auguste Charlois
discovery_date=January 17, 1893
designations=1893 A
category=Main belt
epoch=30 January 2005 (JD 2453400.5)
semimajor=418.701 Gm (2.799 AU)
perihelion=371.553 Gm (2.484 AU)
aphelion=465.848 Gm (3.114 AU)
eccentricity=0.113
period=1710.242 d (4.68 a)
inclination=18.385°
asc_node=140.51°
arg_peri=6.994°
mean_anomaly=317.966°
speed=17.8 km/s
dimensions=155.0 km
mass="unknown"
density="unknown"
gravity="unknown"
escape_velocity="unknown"
rotation="unknown"
spectral_class=S
abs_mag=6.44
albedo="unknown"
temperature="unknown"

354 Eleonora is a very large Main belt asteroid. It is classified as an S-type asteroid.

It was discovered by Auguste Charlois on January 17, 1893 in Nice.

During favorable oppositions, such as in 1968 and 2010, Eleonora can reach an apparent magnitude of +9.31.

External links

* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=8;orb=354 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=354 Ephemeris]