(993) Moultona

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(993) Moultona
Properties of the orbit ( animation )
Orbit type Main belt asteroid
Asteroid family Koronis family
Major semi-axis 2.8615  AU
eccentricity 0.0446
Perihelion - aphelion 2.7339 AU - 2.989 AU
Inclination of the orbit plane 1.775 °
Sidereal period 4,840 a
Mean orbital velocity 17.61 km / s
Physical Properties
Medium diameter approx. 12 km
Albedo ?
Rotation period ? H
Absolute brightness 11.4 mag
Spectral class ?
Explorer George Van Biesbroeck
Date of discovery January 12, 1923
Another name 1923 NJ, 1928 BA, 1960 WD
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(993) Moultona is an asteroid of the main belt , which on 12 January 1923 by the Belgian astronomer George Van Biesbroeck at Yerkes Observatory in Williams Bay , Wisconsin was discovered.

The asteroid is named after the American astronomer and mathematician Forest Ray Moulton .

See also