A satellite is in an elliptical orbit around the earth with aphelion of 6R and perihelion of 2R where R = 6400 KM is the radius of the earth. Find the eccentricity of the orbit.

A satellite is in an elliptical orbit around the earth with aphelion o

1.	A satellite is in an elliptical orbit around the earth with aphelion of 6R and perihelion of 2R where R = 6400 KM is the radius of the earth. Find the eccentricity of the orbit.
Answer» <html><body><p></p>Solution :We <a href="https://interviewquestions.tuteehub.com/tag/know-534065" style="font-weight:bold;" target="_blank" title="Click to know more about KNOW">KNOW</a> that Perigee `(r_p) = a(1-e) = 2R...(1)`, <a href="https://interviewquestions.tuteehub.com/tag/apogee-881815" style="font-weight:bold;" target="_blank" title="Click to know more about APOGEE">APOGEE</a> `(r_a) = a(1 +e) = 6R `..... (2)<br/>Solving (1) and (2)`<a href="https://interviewquestions.tuteehub.com/tag/rarr-1175461" style="font-weight:bold;" target="_blank" title="Click to know more about RARR">RARR</a> ` we get eccentricity (e) `=1/2`</body></html>