(11429) demo documentary
Asteroid (11429) demo docus |
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Properties of the orbit ( animation ) | |
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
- Asteroid Demodokus: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (11429) Demodokus in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (11429) Demodokus in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).