Information about the major planets is presented in Section E of The Astronomical Almanac. Included are physical data such as mass, radius, mean density and rotational elements. Photometric data are also given. Osculating orbital elements for several dates throughout the year are tabulated. Heliocentric positions and distances are given. Geocentric coordinates and distances, as well as ephemeris transit times are tabulated for each day. Utilizing the above data, an extensive physical ephemeris is presented for each planet.

The Astronomical Almanac Online! 2020