406 Erna

From Wikipedia, the free encyclopedia
Jump to: navigation, search
406 Erna
406Erna (Lightcurve Inversion).png
A three-dimensional model of 406 Erna based on its light curve.
Discovery
Discovered by Auguste Charlois
Discovery date August 22, 1895
Designations
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)
435.972 Gm (2.914 AU)
Eccentricity 0.183
1817.147 d (4.98 a)
17.45 km/s
336.544°
Inclination 4.198°
315.863°
38.107°
Physical characteristics
Dimensions 49.0 km
Mass unknown
Mean density
unknown
unknown
unknown
unknown
Albedo unknown
Temperature unknown
Spectral type
P
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.