(6615) Plutarchus
Asteroid (6615) Plutarchus |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.1695 AU |
eccentricity | 0.1265 |
Perihelion - aphelion | 1.8951 AU - 2.4440 AU |
Inclination of the orbit plane | 1.7970 ° |
Length of the ascending node | 129.3659 ° |
Argument of the periapsis | 81.0574 ° |
Sidereal period | 3.20 a |
Mean orbital velocity | 20.22 km / s |
Physical Properties | |
Medium diameter | 3.139 (± 0.045) km |
Albedo | 0.412 (± 0.066) |
Rotation period | 2.3247 h |
Absolute brightness | 14.7 mag |
history | |
Explorer |
C. J. van Houten I. v. Houten-Groeneveld T. Gehrels |
Date of discovery | October 17, 1960 |
Another name | 9512 PL , 1991 EW |
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. |
(6615) Plutarch is an asteroid of the main belt , which on 17 October 1960 by the Dutch astronomer Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels at Palomar Observatory ( IAU code 675) in California was discovered.
The asteroid was named after the Greek writer and philosopher Plutarch (45–125).
Plutarchus has a moon that orbits it in approx. 40.2 hours at a mean distance of approx. 6 km. This moon, named S / 2007 (6615) 1 , was discovered between April 14 and 21, 2007 by astronomers Julian Oey , Donald P. Pray and Petr Pravec due to fluctuations in brightness.
See also
Web links
- Asteroid Plutarchos: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Plutarchos in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (6615) Plutarchos in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- Johnston's Archives: (6615) Plutarchus