A satellite of mass M/2 is revolving around earth in a circular orbit at a height of R/3 from earth surface. The angular momentum of the satellite is…

A satellite of mass $\displaystyle \frac{M}{2}$ is revolving around earth in a circular orbit at a height of $\displaystyle \frac{R}{3}$ from earth surface. The angular momentum of the satellite is $\displaystyle \mathrm{M} \sqrt{\frac{\mathrm{GMR}}{x}}$. The value of $\displaystyle x$ is $\displaystyle \_\_\_\_$, where M and R are the mass and radius of earth, respectively. ( G is the gravitational constant)