(69) Hesperia
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 .