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As a first-order approximation I can simply calculate the location and radii of an ellipsoid that contains the center of mass, but that's not good enough. Doing a Google search for "center of mass earth" doesn't pull up anything.
It's unclear what you are looking for. Are you looking for the actual location of the earth's center of mass, taking into consideration non-uniform distributions of mass density? (As a first approximation, why not say right in the middle! )As a first-order approximation I can simply calculate the location and radii of an ellipsoid that contains the center of mass, but that's not good enough. Doing a Google search for "center of mass earth" doesn't pull up anything.
Yes.It's unclear what you are looking for. Are you looking for the actual location of the earth's center of mass, taking into consideration non-uniform distributions of mass density? (As a first approximation, why not say right in the middle! )
That's the wrong search term. The right search term would be "geocenter" were it not for a slew of companies and organizations that erroneously think they are the center. You'll get a lot of irrelevant garbage if you just search for "geocenter".Doing a Google search for "center of mass earth" doesn't pull up anything.