By Placing the Origin at the Center of Mercury's Orbit $x$

question 12

Essay

By placing the origin at the center of Mercury's orbit and the Sun on the $x$ - axis at one of the foci, find the equation of Mercury's orbit given that the length of its major axis is $1.159 \times 10 ^ { 11 }$ m and the elliptical orbit has eccentricity $0.206$ .