(555) Norma
Asteroid (555) Norma |
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Properties of the orbit ( animation ) | |
Orbit type | Outer main belt |
Major semi-axis | 3.189 AU |
eccentricity | 0.15 |
Perihelion - aphelion | 2.71 AU - 3.668 AU |
Inclination of the orbit plane | 2.7 ° |
Length of the ascending node | 130.5 ° |
Argument of the periapsis | 355.5 ° |
Time of passage of the perihelion | March 24, 2012 |
Sidereal period | 5 a 254 d |
Mean orbital velocity | 16.6 km / s |
Physical Properties | |
Medium diameter | 40.12 km |
Albedo | 0.0632 |
Rotation period | 30 h 36 min |
Absolute brightness | 10.6 mag |
history | |
Explorer | Max Wolf |
Date of discovery | January 14, 1905 |
Another name | 1905 PT, 1939 BA, 1950 CC |
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. |
(555) Norma is an asteroid of the main belt , which on 14 January 1905 by Max Wolf was discovered.
The asteroid was named after the title character from Vincenzo Bellini's opera Norma .