F = G m1 x m2 / d^2 G= grav constant = 6.673 x10^-11
m1= 5.98 x 10^24 (earth mass)
6.673 x 10^-11 x 5.98 x 10^24 x 6.5 x 10^2 / (6.38 x 10^6 + 4.15 x 10^6)^2
259.37 x 10^15 / (10.53 X 10^6)^2
2.339 X 10^3 N
(edited....forgot to SQUARE the denominator)