(69) Hesperia
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Asteroid (69) Hesperia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.979 AU |
| eccentricity | 0.169 |
| Perihelion - aphelion | 2.476 AU - 3.482 AU |
| Inclination of the orbit plane | 8.6 ° |
| Length of the ascending node | 185.1 ° |
| Argument of the periapsis | 289.8 ° |
| Time of passage of the perihelion | November 23, 2009 |
| Sidereal period | 5 a 51 d |
| Mean orbital velocity | 17.1 km / s |
| Physical Properties | |
| Medium diameter | 138 km |
| Albedo | 0.14 |
| Rotation period | 5.7 h |
| Absolute brightness | 7.1 likes |
| Spectral class | M. |
| history | |
| Explorer | Giovanni Schiaparelli |
| Date of discovery | April 29, 1861 |
| 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. | |
(69) Hesperia is an asteroid of the main asteroid belt discovered by Giovanni Schiaparelli on April 29, 1861 .
The celestial body was named after Hesperia , one of the Hesperides , the daughters of the Nyx and the Oceanus .