(1223) Neckar

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Asteroid
(1223) Neckar
Properties of the orbit ( animation )
Orbit type Main belt asteroid
Asteroid family Koronis family
Major semi-axis 2.8689  AU
eccentricity 0.0607
Perihelion - aphelion 2.6949 AU - 3.043 AU
Inclination of the orbit plane 2.551 °
Sidereal period 4,859 a
Mean orbital velocity 17.58 km / s
Physical Properties
Medium diameter approx. 23 km
Dimensions ? Template: Infobox asteroid / maintenance / masskg
Albedo 0.17
Medium density ? g / cm³
Rotation period 7.821 h
Absolute brightness 10.5 mag
Spectral class S.
history
Explorer K. Reinmuth
Date of discovery October 6, 1931
Another name 1931 TG , 1930 MN, 1953 FC
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.

(1223) Neckar is an asteroid of the main belt that was discovered on October 6, 1931 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .

The asteroid is a member of the Koronis family, a group of asteroids named after (158) Koronis . The timeless (not osculating ) orbital elements of (1223) Neckar are almost identical to those of 27 other asteroids, which include (15501) Pepawlowski and (227,641) Nothomb belong.

(1223) Neckar is named after the German river Neckar .

See also

Individual evidence

  1. The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)