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For most planetary systems, there isn't much of a difference between the position of the planet center and the planetary system barycenter, since either the planet has no significant satellites, or else they are tiny compared to the planet itself.
The Earth-Moon system, and the Pluto system are the exceptions to the rule. In these systems the satellites have more comparable mass to the planet, and hence the planet center is significantly offset from the system's barycenter.
Until now, NOVAS did not distinguish between Earth vs Earth-Moon Barycenter (EMB) or Pluto (planet) vs Pluto system. But planetary ephemeris providers, such as the DExxx ephemeris data from JPL do make that distrinction. Hence expand
enum novas_planet
to include the Earth-Moon Barycenter (NOVAS_EMB
) and the Pluto system (NOVAS_PLUTO_BARYCENTER
). As such the macroNOVAS_PLANETS
is increased by 2 also.Various planet enum related macros in
novas.h
(such asNOVAS_PLANET_NAMES_INIT
) have also gained new members.