h=1000 km
Rz=6371 km
r=Rz+h
g=9,81 m/s²
Fd=Fg
(m*V²)/r=(G*M*m)/r²
V=(2*π*r)/T
mc*g=(G*Mz*mc)/Rz²
g=(G*Mz)/Rz²
Mz=(g*Rz²)/G
(((2*π*r)/T)²)/r=(g*Rz²)/r²
( (2*π*)²*r )/T²=(g*Rz²)/r²
( (2*π*)²*r )=*T²
T=√ (( (2*π*)²*r )/ ((g*Rz²)/r²) )
T=2*π√ ( r³ / (g*Rz²) )
T=((2*π)*(r/Rz))*√ ( r/g )
T=((2*π)/(7371/6371))*√ ( 7371000/9,81 )
T ≈ 1,75 h
