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Orbital mechanics — Question 67

Original QCE Vault practice · 6 marks

Q67 · Practice questionComplex unfamiliar6 marks

QUESTION 67 (6 marks)

A spherical exoplanet has radius

4.0\times10^6\,\text{m}

and surface gravitational field strength

15.0\,\text{N kg}^{-1}

. A small satellite is placed in a circular orbit at radius

8.0\times10^6\,\text{m}

from the planet centre. Determine (a) the planet mass and (b) the satellite orbital period.

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