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We determine ground-state and saddle-point shapes and masses of even-evensuperheavy nuclei in the range of proton numbers $98\leq Z \leq 126$ andneutron numbers $134\leq N \leq 192$. Our study is performed within themicroscopic-macroscopic method. The Strutinsky shell and pairing correction iscalculated for the deformed Woods-Saxon single-particle potential and theYukawa-plus-exponential energy is taken as a smooth part. We use parameters ofthe model that were fitted previously to this region of nuclei. Ahigh-dimensional deformation space, including nonaxial andreflection-asymmetric shapes, is used in the search for saddle points. Bothground-state and saddle-point shapes are found with the aid of the minimizationprocedure, with dynamical programming technique of search for saddle points.The results are collected in two tables. Calculated ground-state mass-excess,$Q_{\alpha $ energies, total and macroscopic energies normalized to themacroscopic energy at the spherical shape, shell corrections (includingpairing) and deformations are given for each nucleus in the table one. Thesecond table gives the same properties, but at the saddle-point configuration.The obtained results are discussed and compared with available experimentaldata for alpha-decay energies ($Q_{\alpha}$) and ground-state masses.

Ground State and Saddle Point: masses and deformations for even-even superheavy nuclei with 98 < Z < 126 and 134< N < 192