(8593) Angustirostris
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Asteroid (8593) Angustirostris |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Major semi-axis | 3.0998 AU |
| eccentricity | 0.1138 |
| Perihelion - aphelion | 2.7461 AU - 3.4515 AU |
| Inclination of the orbit plane | 12.6154 ° |
| Length of the ascending node | 5.8829 ° |
| Argument of the periapsis | 140.0593 ° |
| Time of passage of the perihelion | October 29, 2019 |
| Sidereal period | 5.45 a |
| Mean orbital velocity | 16.93 km / s |
| Physical Properties | |
| Absolute brightness | 12.3 mag |
| history | |
| Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
| Date of discovery | March 25, 1971 |
| Another name | 2186 T-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. | |
(8593) Angustirostris is an asteroid of the main outer belt that was discovered on March 25, 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 .
(8593) Angustirostris is named after the marbled duck , whose scientific name is Marmaronetta angustirostris . At the time the asteroid was named on February 2, 1999, the Marble Duck was on the European Red List of Endangered Species . The first letters of the asteroids (8585) to (8600) form the phrase Per aspera ad astra .
Web links
- (8593) Angustirostris in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (8593) Angustirostris 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 645 (English)