Tags: Planet.

4209 Briggs (1986 TG4) is a main-belt asteroid discovered on October 4 1986 by Eleanor F. Helin at Palomar.

apoapsis (km)
5.13869e+11
orbital period (μ)
1.77028e+08
periapsis (km)
4.30719e+11
absolute magnitude
10.8
albedo
0.1288
discovery date
1986-10-04
discoverer
Eleanor F. Helin
epoch
May 14 2008
former name
1986 TG4

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