(15663) Periphas
Asteroid (15663) Peripheral |
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Properties of the orbit ( animation ) | |
Orbit type | Jupiter Trojan (L 4 ) |
Major semi-axis | 5.1840 AU |
eccentricity | 0.1053 |
Perihelion - aphelion | 4.6383 AU - 5.7296 AU |
Inclination of the orbit plane | 33.9174 ° |
Sidereal period | 11.80 a |
Mean orbital velocity | 13.09 km / s |
Physical Properties | |
Absolute brightness | 10.6 mag |
history | |
Explorer | Cornelis van Houten , Ingrid van Houten-Groeneveld |
Date of discovery | 29th September 1973 |
Another name | 4168 T-2, 1985 SG 7 , 2000 FR |
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. |
(15663) Periphas 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 .
(15663) Periphas was discovered on September 29, 1973 by the Dutch astronomers Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels at the Palomar Observatory . It is assigned to the Lagrangian point L 4 .
The asteroid is named after the mythological Greek hero Periphas , who was killed during the Trojan War by the war god Ares, who fought on the side of the Trojans .
See also
Web links
- Asteroid Periphas: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (15663) Periphas in the Small-Body Database of the Jet Propulsion Laboratory .
- (15663) Periphas in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).