(3457) North Arnenheim

Asteroid (3457) North Arnenheim
Properties of the orbit ( animation ) Epoch: July 31, 2016 ( JD 2,457,600.5)
Orbit type	Main belt asteroid
Asteroid family	Koronis family
Major semi-axis	2.8532 AU
eccentricity	0.0554
Perihelion - aphelion	2.6951 AU - 3.0113 AU
Inclination of the orbit plane	3.2478 °
Length of the ascending node	101.3439 °
Argument of the periapsis	207.1858 °
Sidereal period	4.82 a
Mean orbital velocity	17.63 km / s
Physical Properties
Medium diameter	12.702 ± 1.678 km
Albedo	0.182 ± 0.131
Absolute brightness	12.0 mag
history
Explorer	Henri Debehogne
Date of discovery	5th September 1985
Another name	1985 RA ₃ , 1969 EU, 1971 SK ₃ , 1973 AX ₁ , 1975 NT, 1979 HH ₄ , 1980 PT ₂ , 1980 RD ₄ , 1981 WD ₂ , 1983 CE ₁ , 1983 DV
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.

(3457) Arne Nordheim is an asteroid of the main belt , which on 5 September 1985 by the Belgian astronomer Henri DEBEHOGNE at La Silla Observatory ( IAU code 809) of the European Southern Observatory in Chile was discovered.

The celestial body is a member of the Koronis family, a group of asteroids named after (158) Koronis.

The asteroid was named on July 5, 2001 after the Norwegian composer Arne Nordheim (1931-2010), who played a prominent role in Norwegian musical life.

Individual evidence