Tags: Planet.

8516 Hyakkai (1991 TW1) is a main-belt asteroid discovered on October 13 1991 by T. Hioki and S. Hayakawa at Okutama.

apoapsis (km)
4.79047e+11
orbital period (μ)
1.4436e+08
periapsis (km)
3.45432e+11
absolute magnitude
13.2
discovery date
1991-10-13
discoverer
S. I. Hayakawa, T._Hioki
epoch
May 14 2008
former name
1991 TW1

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