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Asteroid 13 Egeria


Named after Egeria, a goddess (other sources say a nymph) of Aricia, in Italy, and the wife of Numa Pompilius, second king of Rome.

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ClassificationMain-belt Asteroid

Osculating Orbital Elements
Epoch2439335,5
Semi major axis2,5754 AU
Period [Julian yrs]4,133 Julian years
Inclination16,500 °
Eccentricity0,0886
Lon. of ascending node43,864 °
Argument of perihelion79,240 °
Passage of perihelion1967-Jul-13.572850
Aphelion distance2,8036 AU
Mean anomaly276,638 °

Physical Data
Radius103,82 km
Rotation period7,045 days
Absolute magnitude (H)6,6956
Magnitude Slope (G)0,15
Color index (B-V)0,745
Geometric albedo0,0825
Spectral classCh

Discovery Circumstances
DiscovererAnnibale de Gasparis
Discovered1850-11-02

Data File
Data File Name13_Egeria.aed
Data File Date2006-07-19
Data File Size2714 kB
Covered Period1800,00 - 2100,00