If Gravitational constant is decreasing in time, what will remain unchanged in case of a satellite orbiting around earth

The kinetic energy of the satellite orbiting around the Earth is

The weight of an object in a satellite orbiting around the Earth is ___________

What is the effect of decreasing the height of a satellite orbiting around earth on its time period?

If the kinetic energy of a satellite orbiting around the earth is doubled then

If the kinetic energy of a satellite orbiting around the earth is doubled then

An artificial satellite is in a circular orbit around the earth. The universal gravitational constant starts decreasing at time t = 0 , at a constant rate with respect to time t . Then the satellite has its:

Name the force that keeps a satellite in the orbit around the earth.