Tags: Planet.

9144 Hollisjohnson (1955 UN1) is a main-belt asteroid discovered on October 25 1955 by the Indiana Asteroid Program at Goethe Link Observatory Brooklyn Indiana. The name honors Hollis R. Johnson emeritus professor of astronomy at Indiana University.

apoapsis (km)
4.44239e+11
orbital period (μ)
1.13807e+08
periapsis (km)
2.59362e+11
absolute magnitude
13.6
discovery date
1955-10-25
discoverer
Indiana Asteroid Program
epoch
May 14 2008
former name
1955 UN1 1955 UP1 1973 SV3 1991 RH8

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