Egeria
13 Egeria is a large main-belt G-type asteroid. It was discovered by Annibale de Gasparis on 2 November 1850. Egeria was named by Urbain Le Verrier, whose computations led to the discovery of Neptune, after the mythological nymph Egeria of Aricia, Italy, the wife of Numa Pompilius, second king of Rome.
asteroid
Découvert le: 1850-11-21
Observations: 3,875
13 Egeria is a large main-belt G-type asteroid. It was discovered by Annibale de Gasparis on 2 November 1850. Egeria was named by Urbain Le Verrier, whose computations led to the discovery of Neptune, after the mythological nymph Egeria of Aricia, Italy, the wife of Numa Pompilius, second king of Rome.
Paramètres orbitaux
Demi-grand axe
2.576 AU
Excentricité
0.0846
Périhélie
2.358 AU
Aphélie
2.79393 AU
Inclinaison
16.53°
Période orbitale
4.1342 yr
Ère
2461200.5
Anomalie moyenne
88.62°
Orbit diagram
The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.
Paramètres physiques
Diamètre
202.636 km
Albedo
0.049
Densité
— g/cm³
Période de rotation
7.045 h
Magnitude absolue
6.92
Qualité orbitale
RMS
0.50391
Code de condition
0
ID orbite
—
