0
The eccentricity of the Earth is approximately 0.0167.
Eccentricity is only present in ovals and ellipses. A circle is present. The eccentricity of an oval or ellipse is how linear it is.
The eccentricity of Hallry's comet is 0.967
The eccentricity of Psyche's orbit is 0.140
0.016710220 is the Earth's orbital eccentricity