(5144) Agates

from Wikipedia, the free encyclopedia
Asteroid
(5144) Agates
Properties of the orbit ( animation )
Epoch:  December 9, 2014 ( JD 2,457,000.5)
Orbit type Jupiter Trojan (L 5 )
Major semi-axis 5.2069  AU
eccentricity 0.2710
Perihelion - aphelion 3.7957 AU - 6.6182 AU
Inclination of the orbit plane 8.9009 °
Length of the ascending node 322.8292 °
Argument of the periapsis 331.5228 °
Sidereal period 11.88 a
Mean orbital velocity 13.02 km / s
Physical Properties
Medium diameter 91.91 km (± 5.1)
Albedo 0.0576
Rotation period 5,958 h
Absolute brightness 9.0 mag
history
Explorer CS Shoemaker
Date of discovery 2nd December 1991
Another name 1991 XX , 1939 PC, 1951 PK, 1975 QA, 1987 QV 11 , 1988 SS 4
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.

(5144) Achates 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 .

(5144) Achates was discovered on December 2, 1991 by the American astronomer Carolyn Jean Spellmann Shoemaker at the Palomar Observatory . It is assigned to the Lagrangian point L 5 .

The asteroid is named after the mythological figure of Agates , the friend and brother in arms of Aeneas on the flight from Troy , who is depicted in the Aeneid .

See also

Web links