(20961) Arkesilaos

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Asteroid
(20961) Arkesilaos
Properties of the orbit ( animation )
Epoch:  July 31, 2016 ( JD 2,457,600.5)
Orbit type Jupiter Trojan (L 4 )
Major semi-axis 5.1393  AU
eccentricity 0.0172
Perihelion - aphelion 5.0507 AU - 5.2279 AU
Inclination of the orbit plane 9.2077 °
Length of the ascending node 27.9036 °
Argument of the periapsis 50.1088 °
Sidereal period 11.65 a
Mean orbital velocity 13.13 km / s
Physical Properties
Absolute brightness 11.9 likes
history
Explorer CJ van Houten
I. van Houten-Groeneveld
Tom Gehrels
Date of discovery 19th September 1973
Another name 1973 SS 1 , 1996 RQ 28
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.

(20961) Arkesilaos is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that move around the sun on the Lagrange points on Jupiter's orbit .

(20961) Arkesilaos was discovered on September 19, 1973 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery came about during the investigation of Tom Gehrels ' field plates recorded with the 120 cm Oschin Schmidt telescope of the Palomar observatory ( IAU code 675) at the University of Leiden . It is assigned to the Lagrangian point L 4 .

The asteroid is named after the mythological figure of Arkesilaos , one of the Boiotier military leaders in the Trojan War , who was killed by Hector .

See also

Web links