(8755) transverse quedula
Asteroid (8755) transverse quedula |
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Properties of the orbit ( animation ) | |
Orbit type | Main outer belt asteroid |
Major semi-axis | 3.2172 AU |
eccentricity | 0.1405 |
Perihelion - aphelion | 2.7653 AU - 3.6692 AU |
Inclination of the orbit plane | 1.3858 ° |
Length of the ascending node | 65.4459 ° |
Argument of the periapsis | 335.2805 ° |
Time of passage of the perihelion | 19th May 2019 |
Sidereal period | 5.77 a |
Mean orbital velocity | 16.59 km / s |
Physical Properties | |
Medium diameter | 11.560 km (± 0.333) |
Albedo | 0.080 (± 0.016) |
Absolute brightness | 13.0 likes |
history | |
Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
Date of discovery | September 24, 1960 |
Another name | 4586 PL , 1992 ET 28 |
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. |
(8755) Querquedula is an asteroid of the outer main belt , which 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 mean diameter of the asteroid was calculated to be 11.560 km (± 0.333).
(8755) querquedula is after Knäkente named, whose scientific name is Anas querquedula is. At the time the asteroid was named on February 2, 1999, the teal was on the Dutch Red List of Endangered Species .
Web links
- (8755) Querquedula in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (8755) Querquedula 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 (8755) Querquedula according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)