设该点距球心距离为r
GMm/R^2-mR4兀^2/T^2=GMm/r^2
M=(4兀R^3)/3
解得:r^2=G兀R^3T^2/GRT^2-3兀R
r=根号下(G兀R^3T^2/GRT^2-3兀R)
h=r-R=R{〔根号下(G兀RT^2/GRT^2-3兀R)〕-1}
设该点距球心距离为r
GMm/R^2-mR4兀^2/T^2=GMm/r^2
M=(4兀R^3)/3
解得:r^2=G兀R^3T^2/GRT^2-3兀R
r=根号下(G兀R^3T^2/GRT^2-3兀R)
h=r-R=R{〔根号下(G兀RT^2/GRT^2-3兀R)〕-1}