(163) Erigone
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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).