In one eclipsing variable star, the secondary minimum falls on phase 0.5, and in the other, on phase 0.2.

In one eclipsing variable star, the secondary minimum falls on phase 0.5, and in the other, on phase 0.2. Which one has more orbital eccentricity?

The orbital eccentricity is greater for the second star, provided that the apse line of both stars is close to the plane of the sky.

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