Tags: Planet.

21576 McGivney (1998 SH4) is a main-belt asteroid discovered on September 19 1998 by W. G. Dillon at Needville.

apoapsis (km)
5.3622e+11
orbital period (μ)
1.78554e+08
periapsis (km)
4.13789e+11
absolute magnitude
13.9
discovery date
1998-09-19
discoverer
W._G._Dillon
epoch
May 14 2008
former name
1998 SH4

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