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## Homework Statement

A orbiting satellite stays over a certain spot on the equator of (rotating) Mercury. What is the altitude of the orbit (called a "synchronous orbit")?

Mercury mass = 3.3022 e23 kg

Mercury Radius = 2439.7 km

## Homework Equations

[tex]T^2[/tex] = (4[tex]\Pi^2[/tex]/GM) * r^3

and that's all I can think of which is why I'm stuck

## The Attempt at a Solution

I'm sorry that I have no attempt, I'm really lost on this one and would greatly appreciate any help!