(8442) Ostralegus
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Asteroid (8442) Ostralegus |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt asteroid |
| Major semi-axis | 2.3690 AU |
| eccentricity | 0.1460 |
| Perihelion - aphelion | 2.0232 AU - 2.7148 AU |
| Inclination of the orbit plane | 4.7688 ° |
| Length of the ascending node | 90.4964 ° |
| Argument of the periapsis | 36.2204 ° |
| Sidereal period | 3.65 a |
| Mean orbital velocity | 19.35 km / s |
| Physical Properties | |
| Absolute brightness | 14.9 mag |
| history | |
| Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
| Date of discovery | October 16, 1977 |
| Another name | 4237 T-3 , 1994 LG 8 , 1996 WR 2 |
| 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. | |
(8442) Ostralegus is an asteroid of the inner main belt , which was discovered on October 16, 1977 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery took place during the 3rd 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 , 17 years after the start of the Palomar-Leiden- Surveys .
(8442) Ostralegus is named for the oystercatcher , a wading bird whose scientific name is Haematopus ostralegus . At the time the asteroid was named on February 2, 1999, the oystercatcher was on the Dutch Blue List of Important Birds, which was published in 1994 together with the Dutch Red List of Endangered Birds.
Web links
- (8442) Ostralegus in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (8442) Ostralegus 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 2012, 6th edition, page 638 (English)