406 Erna

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406 Erna
Discovery
Discovered by Auguste Charlois
Discovery date August 22, 1895
Designations
Alternative names 1895 CB
Minor planet category Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 515.605 Gm (3.447 AU)
Perihelion 356.339 Gm (2.382 AU)
Semi-major axis 435.972 Gm (2.914 AU)
Eccentricity 0.183
Orbital period 1817.147 d (4.98 a)
Average orbital speed 17.45 km/s
Mean anomaly 336.544°
Inclination 4.198°
Longitude of ascending node 315.863°
Argument of perihelion 38.107°
Physical characteristics
Dimensions 49.0 km
Mass unknown
Mean density unknown
Equatorial surface gravity unknown
Escape velocity unknown
Rotation period unknown
Albedo unknown
Temperature unknown
Spectral type P
Absolute magnitude (H) 10.36

    406 Erna is a typical Main belt asteroid. It is classified as a P-type asteroid and is probably composed of primitive carbonaceus chondritic materials.

    It was discovered by Auguste Charlois on August 22, 1895 in Nice.

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