(3571) Milanštefánik
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Asteroid (3571) Milanštefánik |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Major semi-axis | 3.9416 AU |
| eccentricity | 0.1116 |
| Perihelion - aphelion | 3.5016 AU - 4.3815 AU |
| Inclination of the orbit plane | 7.8526 ° |
| Length of the ascending node | 248.9739 ° |
| Argument of the periapsis | 20.5391 ° |
| Sidereal period | 7.83 a |
| Mean orbital velocity | 14.98 km / s |
| Physical Properties | |
| Medium diameter | 38.88 (± 3.2) km |
| Albedo | 0.0424 (± 0.008) |
| Absolute brightness | 10.9 likes |
| history | |
| Explorer | Antonin Mrkos |
| Date of discovery | March 15, 1982 |
| Another name | 1982 EJ , 1976 NL, 1985 TJ 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. | |
(3571) Milanštefánik is an asteroid of the main outer belt , which was discovered on March 15, 1982 by the Czech astronomer Antonín Mrkos at the Kleť Observatory ( IAU code 046) near Český Krumlov . When observed on March 15, 1982, the asteroid was in the constellation Becher . An unconfirmed sighting of the asteroid (1976 NL) had already taken place on July 1, 1976 at the Crimean Observatory in Nautschnyj .
(3571) Milanštefánik belongs to the Hilda group, that is, it moves in an orbital resonance of 3: 2 with the planet Jupiter around the sun . This group is named after the asteroid (153) Hilda .
The asteroid has a very dark surface with an albedo of 0.0424 (± 0.008). The mean diameter was roughly calculated to be 38.88 (± 3.2) kilometers.
It was named on November 7, 1995 after the Slovak politician , astronomer , diplomat , officer , French military pilot , general and one of the three founding fathers of the First Czechoslovak Republic, Milan Rastislav Štefánik . The naming text honors him as an astronomer and meteorologist .
Web links
- (3571) Milanštefánik in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (3571) Milanštefánik in the Small-Body Database of the Jet Propulsion Laboratory (English).
Individual evidence
- ↑ Milan Ratislav Štefánik (1880-1919) . Article by Klára Siposné in the Slovak magazine for military history Vojenské reflexie , issue 2/2010, page 75 ( PDF , English; 3.449 MB)
- ↑ (3571) Milanštefánik at the IAU Minor Planet Center (English)
- ↑ Entry of the asteroid on the website of the Kleť Observatory (English)