Tags: Planet.

21451 Fisher (1998 HS23) is a main-belt asteroid discovered on April 28 1998 by P. G. Comba at Prescott.

apoapsis (km)
3.65488e+11
orbital period (μ)
1.0855e+08
periapsis (km)
3.16274e+11
absolute magnitude
15.4
discovery date
1998-04-28
discoverer
Paul G. Comba
epoch
May 14 2008
former name
1998 HS23

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