The minor axis of Earth's elliptical orbit divides the area within it into two halves. The eccentricity of the orbit is 0.0167. The difference in time spent by Earth in the two halves is closest to:

Consider the following statements: Statement I: A spacecraft launched from near the equator generally requires less propellant than one launched from higher latitudes. Statement II: The linear rotational velocity of the Earth is greatest at the equator. Which one of the following is correct in respect of the above statements?

At an altitude of 800 km, a satellite in a Sun-Synchronous Orbit travels at an orbital speed of approximately: