(163) Erigone
Asteroid (163) Erigone |
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Properties of the orbit ( animation ) | |
Orbit type | Inner main belt |
Asteroid family | Erigone family |
Major semi-axis | 2,367 AU |
eccentricity | 0.191 |
Perihelion - aphelion | 1.914 AU - 2.819 AU |
Inclination of the orbit plane | 4.8 ° |
Length of the ascending node | 160.2 ° |
Argument of the periapsis | 298.3 ° |
Time of passage of the perihelion | February 8, 2010 |
Sidereal period | 3 a 235 d |
Mean orbital velocity | 19.2 km / s |
Physical Properties | |
Medium diameter | 81.579 ± 3.062 km |
Albedo | 0.033 ± 0.004 |
Rotation period | 16 h 8 min |
Absolute brightness | 9.7 likes |
Spectral class | C. |
history | |
Explorer | J. Perrotin |
Date of discovery | April 26, 1876 |
Another name | 1957 OT, A892 RA |
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. |
(163) Erigone is an asteroid of the main inner asteroid belt discovered by Henri Joseph Perrotin on April 26, 1876 .
The celestial body was named after Erigone , the daughter of Ikarios from Greek mythology .
On March 20, 2014, (163) Erigone covered the star Regulus in the constellation Leo, but this could only be observed in a narrow strip over the North Atlantic and North America (including from New York City).