(30798) Graubünden

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Asteroid
(30798) Graubünden
Properties of the orbit ( animation )
Epoch:  February 16, 2017 ( JD 2,457,800.5)
Orbit type Main belt
Major semi-axis 2.7040  AU
eccentricity 0.1314
Perihelion - aphelion 2.3487 AU - 3.0594 AU
Inclination of the orbit plane 7.8385 °
Length of the ascending node 323.3614 °
Argument of the periapsis 194.9850 °
Sidereal period 4.45 a
Mean orbital velocity 18.10 km / s
Physical Properties
Absolute brightness 13.9 likes
history
Explorer Freimut Börngen
Date of discovery February 2, 1989
Another name 1989 CR 5 , 1998 CB 5
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.

(30798) Graubünden is an asteroid of the main belt that was discovered on February 2, 1989 by the German astronomer Freimut Börngen at the Thuringian State Observatory Tautenburg ( IAU code 033) in Thuringia .

The asteroid was named on March 28, 2002 after the Swiss canton of Graubünden , which is the largest canton in Switzerland and lies entirely in the Alps .

See also

Web links