Controls:

Right arrow	Accelerate satellite clockwise
Left arrow	Accelerate satellite anticlockwise
Up arrow	Increase orbit radius
Down arrow	Decrease orbit radius
Mouse drag	Rotate camera
Mouse drag + Ctrl	Move camera on X axis
Mouse drag + Alt	Move camera on Y axis
Mouse drag + Shift	Move camera on Z axis
Mouse wheel	Zoom

Note: Satellite speed is treated as angular velocity meaning an increase in orbit radius will not affect orbital period.