(12649) Ascanios
Asteroid (12649) Ascanios |
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Properties of the orbit ( animation ) | |
Orbit type | Jupiter Trojan (L 5 ) |
Major semi-axis | 5.1548 AU |
eccentricity | 0.1469 |
Perihelion - aphelion | 4.3973 AU - 5.9123 AU |
Inclination of the orbit plane | 6.5719 ° |
Length of the ascending node | 337.5928 ° |
Argument of the periapsis | 342.4362 ° |
Sidereal period | 11.70 a |
Mean orbital velocity | 13.12 km / s |
Physical Properties | |
Absolute brightness | 11.7 mag |
history | |
Explorer |
Cornelis van Houten Ingrid van Houten-Groeneveld |
Date of discovery | October 16, 1977 |
Another name | 2035 T-3 , 1988 RW |
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. |
(12649) Ascanios 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 .
(12649) Ascanios was discovered on October 16, 1977 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery happened during the 3rd Trojan survey, during which Tom Gehrels surveyed 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 5 .
The asteroid is named after Ascanius , the mythological son of the Trojan prince Aeneas and first king of Alba Longa , who is called Iulus in Roman mythology . According to Livy , the gens Iulia , a Roman patrician family, lead their family back to him.
See also
Web links
- Asteroid Ascanios: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (12649) Ascanios in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (12649) Ascanios in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).