(3571) Milanštefánik

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Asteroid
(3571) Milanštefánik
Properties of the orbit ( animation )
Epoch:  July 31, 2016 ( JD 2,457,600.5)
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

Individual evidence

  1. 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)
  2. (3571) Milanštefánik at the IAU Minor Planet Center (English)
  3. Entry of the asteroid on the website of the Kleť Observatory (English)