(39) Laetitia
Asteroid (39) Laetitia |
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Properties of the orbit ( animation ) | |
Orbit type | Middle main belt |
Major semi-axis | 2.77 AU |
eccentricity | 0.115 |
Perihelion - aphelion | 2.45 AU - 3.09 AU |
Inclination of the orbit plane | 10.4 ° |
Length of the ascending node | 157.2 ° |
Argument of the periapsis | 209 ° |
Time of passage of the perihelion | January 25, 2020 |
Sidereal period of rotation | 4 a 221 d |
Mean orbital velocity | 17.85 km / s |
Physical Properties | |
Medium diameter | 150 km |
Albedo | 0.2869 |
Rotation period | 5 h 8 min |
Absolute brightness | 6.1 mag |
Spectral class (according to Tholen) |
S. |
Spectral class (according to SMASSII) |
S. |
history | |
Explorer | Jean Chacornac |
Date of discovery | February 8, 1856 |
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. |
(39) Laetitia is a Main Belt asteroid discovered by Jean Chacornac on February 8, 1856 .
Laetitia has an average diameter of about 150 km and is one of the larger asteroids in the main belt. The geometric albedo is around 0.29, so the asteroid has a relatively bright surface.