(39) Laetitia
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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 |
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Spectral class (according to Tholen) |
S. |
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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.