(2921) Sophocles

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Asteroid
(2921) Sophocles
Properties of the orbit ( animation )
Epoch:  4th November 2013 ( JD 2,456,600.5)
Orbit type Main belt asteroid
Asteroid family Themis family
Major semi-axis 3.2463  AU
eccentricity 0.1540
Perihelion - aphelion 2.7465 AU - 3.7460 AU
Inclination of the orbit plane 1.4694 °
Sidereal period 5.85 a
Mean orbital velocity 16.53 km / s
Physical Properties
Medium diameter ? km
Albedo ?
Rotation period 4,778 h
Absolute brightness 13.3 mag
Spectral class ?
history
Explorer CJ and I. van Houten-Groeneveld ,
T. Gehrels
Date of discovery September 24, 1960
Another name 6525 PL , 1981 EH 18 , 1982 KN 2
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.

(2921) Sophocles is an asteroid of the main belt that was discovered on September 24, 1960 by the Dutch research team Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels as part of the Palomar-Leiden survey .

The timeless (non- osculating ) orbital elements of (2921) Sophocles are almost identical to those of the smaller (assuming the absolute brightness of 14.6 compared to 13.6) asteroid (7720) Lepaute .

(2921) Sophocles is named after the historical Greek playwright Sophocles .

See also

Individual evidence

  1. The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)