(5450) Socrates
Asteroid (5450) Socrates |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.8120 AU |
eccentricity | 0.1235 |
Perihelion - aphelion | 2.4649 AU - 3.1592 AU |
Inclination of the orbit plane | 5.2323 ° |
Length of the ascending node | 145.2194 ° |
Argument of the periapsis | 318.7217 ° |
Sidereal period | 4.72 a |
Mean orbital velocity | 17.76 km / s |
Physical Properties | |
Medium diameter | approx. 21 km |
Rotation period | 5.9822 h |
Absolute brightness | 12.3 mag |
history | |
Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
Date of discovery | September 24, 1960 |
Another name | 2780 PL , 1950 PH, 1953 FJ 1 , 1962 BC, 1967 EP, 1974 SG 3 , 1977 JW, 1978 PX, 1988 RW 11 |
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. |
(5450) Socrates is an asteroid of the main belt that 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 .
The asteroid was named after the Greek philosopher Socrates (469 BC - 399 BC), whose doctrine, which was fundamental to Western thought, laid the basis for almost all important philosophical schools of antiquity .
See also
Web links
- (5450) Socrates in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- Asteroid Socrates in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances of (5450) Socrates according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)