(26763) Peirithoos
Asteroid (26763) Peirithoos |
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Properties of the orbit ( animation ) | |
Orbit type | Jupiter Trojan (L 4 ) |
Major semi-axis | 5.3297 AU |
eccentricity | 0.0688 |
Perihelion - aphelion | 4.9632 AU - 5.6963 AU |
Inclination of the orbit plane | 1.2061 ° |
Length of the ascending node | 100.1259 ° |
Argument of the periapsis | 305.8636 ° |
Sidereal period | 12.30 a |
Mean orbital velocity | 12.92 km / s |
Physical Properties | |
Absolute brightness | 12.4 mag |
history | |
Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
Date of discovery | September 24, 1960 |
Another name | 2706 PL , 2000 AU 232 |
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. |
(26763) Peirithoos is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that orbit the sun on the Lagrange points on the orbit of the planet Jupiter . It is assigned to the Lagrange point L 4 , that is (26763) Peirithoos is running 60 ° ahead of Jupiter in its orbit around the sun.
The asteroid was discovered on September 24, 1960 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery came about 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 .
(26763) Peirithoos was named after Peirithoos , king of the Lapiths in Thessaly and friend of Theseus . It was named on March 18, 2003. Trojans running ahead are named after Greek heroes.
Web links
- (26763) Peirithoos in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (26763) Peirithoos in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances of (26763) Peirithoos according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)