ほらね

万有引力定数G=6.67408e-11重力源質量M光速度c=299792458シュワルツシルト半径rs=2GM/c^2
軌道速度V=√(GM/r)=0.86c
円周L=c、半径r=L/2π=c/2π=47713451
V=√(GM/r)
V^2=GM/r
M=rV^2/G=(299792458/2π)(0.86 299792458)^2/(6.67408e-11)
=(47713451)(66471933019375032)/(6.67408e-11)
=4.752123617e+34
rs=2GM/c^2=70577736
rs/r=70577736/47713451=1.4792=2(v/c)^2=2(0.86c/c)^2=1.4792 > 1