(8317) Eurysaces

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Asteroid
(8317) Eurysaces
Properties of the orbit ( animation )
Epoch:  December 9, 2014 ( JD 2,457,000.5)
Orbit type Jupiter Trojan (L 4 )
Major semi-axis 5.2912  AU
eccentricity 0.0449
Perihelion - aphelion 5.0538 AU - 5.5287 AU
Inclination of the orbit plane 0.9463 °
Length of the ascending node 208.1100 °
Argument of the periapsis 114.5851 °
Sidereal period 12.17 a
Mean orbital velocity 12.98 km / s
Physical Properties
Absolute brightness 11.0 mag
history
Explorer Cornelis Johannes van Houten ,
Ingrid van Houten-Groeneveld ,
Tom Gehrels
Date of discovery September 24, 1960
Another name 4523 PL , 1977 CE 1
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.

(8317) Eurysaces 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 .

(8317) Eurysaces was discovered on September 24, 1960 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery was made as part of the Palomar-Leiden survey , during which Tom Gehrels examined field plates recorded at the University of Leiden with the 120 cm Oschin Schmidt telescope of the Palomar observatory ( IAU code 675) . It is assigned to the Lagrangian point L 4 .

The asteroid was named on October 5, 1998 after the mythological figure of Eurysakes , the son of Ajax , who took his name from his father's famous shield .

See also

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