(11428) Alcinous

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Asteroid
(11428) Alcinoos
Properties of the orbit ( animation )
Epoch:  July 31, 2016 ( JD 2,457,600.5)
Orbit type Jupiter Trojan (L 4 )
Major semi-axis 5.3244  AU
eccentricity 0.0128
Perihelion - aphelion 5.2561 AU - 5.3928 AU
Inclination of the orbit plane 17.3053 °
Length of the ascending node 3.3412 °
Argument of the periapsis 60.4893 °
Sidereal period 12.29 a
Mean orbital velocity 12.93 km / s
Physical Properties
Absolute brightness 11.1 mag
history
Explorer CJ van Houten
I. van Houten-Groeneveld
Tom Gehrels
Date of discovery September 24, 1960
Another name 4139 PL , 1979 HD 1 , 1994 PG 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.

(11428) Alcinoos 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 .

(11428) Alcinoos 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 Alcinous , the king of the Phaiacs , who welcomed Odysseus towards the end of his wanderings and finally brought him to Ithaca .

See also

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