离心率√3/6,c/a=√3/6
短轴长为2√2,b=2√2
a^2-c^2=b^2
a^2-c^2=8
c/a=√3/6
解方程组得:
a^2=96/11
椭圆的方程:x^2/(96/11)+y^2/8=1
即:11x^2/96+y^2/8=1