(271) Penthesilea
Asteroid (271) Penthesilea |
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Properties of the orbit ( animation ) | |
Orbit type | Outer main belt |
Major semi-axis | 3.006 AU |
eccentricity | 0.1 |
Perihelion - aphelion | 2.704 AU - 3.308 AU |
Inclination of the orbit plane | 3.5 ° |
Length of the ascending node | 335.5 ° |
Argument of the periapsis | 59 ° |
Time of passage of the perihelion | January 22, 2013 |
Sidereal period | 5 a 77 d |
Mean orbital velocity | 17.1 km / s |
Physical Properties | |
Medium diameter | (57.9 ± 3.3) km |
Albedo | 0.0633 |
Rotation period | 18 h 47 min |
Absolute brightness | 9.8 likes |
Spectral class | Pc |
history | |
Explorer | V. Knorre |
Date of discovery | October 13, 1887 |
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. |
(271) Penthesilea is an asteroid of the main belt that was discovered on October 13, 1887 by the Russian astronomer Viktor Knorre at the Berlin observatory .
The asteroid was named after Penthesilea , a queen of the Amazons from Greek mythology .