(11429) demo documentary

from Wikipedia, the free encyclopedia
Asteroid
(11429) demo docus
Properties of the orbit ( animation )
Epoch:  July 31, 2016 ( JD 2,457,600.5)
Orbit type Jupiter Trojan (L 4 )
Major semi-axis 5.2589  AU
eccentricity 0.0275
Perihelion - aphelion 5.1144 AU - 5.4034 AU
Inclination of the orbit plane 17.0854 °
Length of the ascending node 6.3342 °
Argument of the periapsis 92.1350 °
Sidereal period 12.06 a
Mean orbital velocity 12.93 km / s
Physical Properties
Rotation period 50.16 h
Absolute brightness 10.4 mag
history
Explorer CJ van Houten
I. van Houten-Groeneveld
Tom Gehrels
Date of discovery September 24, 1960
Another name 4655 PL , 1996 RZ 32
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.

(11429) Demodokus 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 .

(11429) Demodokus 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 is named after the mythological figure of Demodokos , the blind singer at the royal court of the Phaiacs .

See also

Web links