(8381) Captain
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Asteroid (8381) Captain |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt asteroid |
| Major semi-axis | 2.4650 AU |
| eccentricity | 0.0852 |
| Perihelion - aphelion | 2.2549 AU - 2.6751 AU |
| Inclination of the orbit plane | 7.1682 ° |
| Length of the ascending node | 217.9000 ° |
| Argument of the periapsis | 270.6542 ° |
| Sidereal period | 3.87 a |
| Mean orbital velocity | 18.96 km / s |
| Physical Properties | |
| Absolute brightness | 13.8 mag |
| history | |
| Explorer | Freimut Börngen |
| Date of discovery | September 21, 1992 |
| Another name | 1992 SO 24 , 1981 WY 8 , 1991 LY 3 |
| 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. | |
(8381) Hauptmann is an asteroid of the inner main belt , which was discovered by the German astronomer Freimut Börngen on September 21, 1992 at the Thuringian State Observatory Tautenburg ( IAU code 033). Unconfirmed sightings of the asteroid had already been made on November 25, 1981 under the provisional designation 1981 WY 8 at the Crimean Observatory in Nautschnyj and on June 6 and 8, 1991 at the La Silla Observatory (1991 LY 3 ) of the European Southern Observatory in Chile given.
Mean distance from the Sun ( major semiaxis ), eccentricity and inclination of the orbit plane of the asteroid roughly correspond to the Vesta family , a large group of asteroids named after (4) Vesta , the second largest asteroid and third largest celestial body in the main belt.
The railway of (8381) Hauptmann was secured in 1998, so that a numbering could be assigned. The asteroid was named on June 10 of the same year at the suggestion of Freimut Börngen after the German playwright and writer Gerhart Hauptmann , who was awarded the Nobel Prize for Literature in 1912 , “primarily for his rich, versatile, outstanding effectiveness in the field of dramatic art Poetry". As early as 1985, an impact crater on the southern hemisphere of the planet Mercury was named after Gerhart Hauptmann: Merkurkrater Hauptmann .
Web links
- (8381) Captain in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (8381) Captain 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 by (8381) Hauptmann according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ Observations by (8381) Hauptmann on minorplanetcenter.net (English)
- ↑ Small planets discovered on Tautenburger Platten on the website of Freimut Börngen
- ↑ The Merkurkrater Hauptmann in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS