Interface for selecting coordinate epoch for coordinate systems that do not have pre-established epochs.

CoordinateSystemEpoch	Smart epoch component representing the coordinate epoch. Disabled for coordinate systems with pre-established epochs (e.g. J2000, B1950).
Epoch	This property is deprecated. Use CoordinateSystemEpoch to access the coordinate system epoch. The coordinate epoch. Disabled for coordinate systems with pre-established epochs (e.g. J2000, B1950).
Type	The coordinate system being used.