.A Russian satellite is in Earth orbit with an altitude at perigee of 375 km and an altitude at apogee of 2000 km.
a) What is the semi major axis of the orbit?
b) What is the eccentricity?
c) If the true anomaly is 175°, what is the satellite’s altitude?
d) If the true anomaly is 290°, is the flight-path angle positive or negative? Why?