(30830) Jahn

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Asteroid
(30830) Jahn
Properties of the orbit ( animation )
Epoch:  February 16, 2017 ( JD 2,457,800.5)
Orbit type Main belt
Major semi-axis 2.3619  AU
eccentricity 0.2126
Perihelion - aphelion 1.8598 AU - 2.8640 AU
Inclination of the orbit plane 4.6621 °
Length of the ascending node 255.7991 °
Argument of the periapsis 175.4972 °
Sidereal period 3.63 a
Mean orbital velocity 19.37 km / s
Physical Properties
Medium diameter 4.037 ± 0.175 km
Albedo 0.0207
Absolute brightness 14.7 mag
history
Explorer Freimut Börngen
Lutz D. Schmadel
Date of discovery October 14, 1990
Another name 1990 TQ 12 , 1979 WV 7 , 1990 VW 1 , 1999 GT 51
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.

(30830) Jahn is an asteroid of the main belt that was discovered on October 14, 1990 by the German astronomers Freimut Börngen and Lutz D. Schmadel at the Thuringian State Observatory Tautenburg ( IAU code 033) in Thuringia .

The asteroid was named on April 27, 2002 after the German educator Friedrich Ludwig Jahn (1778-1852), who initiated the so-called German gymnastics movement and is therefore also known as Jahn's gymnastics father.

See also

Web links