(8763) Pugnax
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Asteroid (8763) Pugnax |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt asteroid |
| Major semi-axis | 2.7233 AU |
| eccentricity | 0.0227 |
| Perihelion - aphelion | 2.6615 AU - 2.7850 AU |
| Inclination of the orbit plane | 2.0353 ° |
| Length of the ascending node | 346.5919 ° |
| Argument of the periapsis | 290.9151 ° |
| Time of passage of the perihelion | April 1, 2017 |
| Sidereal period | 4.49 a |
| Mean orbital velocity | 18.05 km / s |
| Physical Properties | |
| Medium diameter | 5.146 (± 0.215) km |
| Albedo | 0.221 (± 0.009) |
| Absolute brightness | 13.4 mag |
| history | |
| Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
| Date of discovery | March 26, 1971 |
| Another name | 3271 T-1 , 1982 VG 7 , 1990 MY 1 |
| 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. | |
(8763) Pugnax is an asteroid of the central main belt that was discovered on March 26, 1971 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery took place during the 1st Trojan survey, during which Tom Gehrels surveyed field plates recorded by the 120 cm Oschin Schmidt telescope of the Palomar observatory at the University of Leiden , eleven years after the start of the Palomar-Leiden- Surveys .
(8763) Pugnax is after Ruff named, a Schnepf bird whose scientific name Philo pugnax is. The name of the asteroid took place on February 2, 1999. The reason for the choice of name: When named, the existence of the corncrake in the Netherlands was endangered.
Web links
- (8763) Pugnax in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (8763) Pugnax in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
Individual evidence
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Springer, Heidelberg 2003, 5th edition, page 664 (English)