Question

Select the correct definition of "Argument of perigee".

		a. angle of the orbital plane from the equator measured at the ascending node
		b. angle measured at the center of the earth, of the angle between the ascending Node and vernal equinox.
		c. angle measured at the center of the earth, between the “lines of nodes” and “line of apsides”
		d. angle measured from perigee to the actual position of the satellite

Answer 1