(993) Moultona
Asteroid (993) Moultona |
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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 | ? |
history | |
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 .