If you mean:Originally Posted by sweet
Using Kepler's second law - that the area swept out in unit time by a planet
is a constant - then yes.
At Aphelion and Perihelion the velocity of the planet is at right angles to the
vector from the Sun to the Planet, so the area swept out in unit time in
each case is:
at Aphelion and Perihelion respectivly. Kepler's second law tells us these are