The orbital angular momentum of a satellite is L, when it is revolving in a circular orbit at height h from earth surface. If the distance of satellite from the earth centre is increased by eight times to its initial value, then the new angular momentum will be
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For a satellite revolving around the Earth in a circular orbit, it can be written that
… (r=R+h is the distance from the centre of the Earth)
Simplify equation to obtain the linear speed of the satellite.
Thus, the angular momentum of the satellite is given by
L=mvr
...
Similarly, for distance r' from the centre of the Earth, the angular momentum is given by
...
Divide equation by equation to obtain the required angular momentum.
…
Now, 
Substitute the known values of the parameters into equation to obtain the required angular momentum.
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