The NASA website on astrophysical constants lists the "heliocentric gravitational constant" for the sun, in metric units:
1.32712440018 × 1020meter3/second2.
http://ssd.jpl.nasa.gov/astro_constants.html
The distance-cubed-over-square-time type of quantity has no generally accepted name in science (a linguistic gap) but it is the Keplerian index of a body's attractiveness. It's used in navigation and astronomical computing.
The attractiveness quantity is proportional to inertia (as far as we know) but converting to kilograms would involve a massive loss of precision because the conversion factor G is known only to four or five decimal places.
The same NASA site gives attractiveness ratios:
Sun/(Earth+Moon) -----328900.56
Earth/Moon-----81.30059
One hears these loosely called "mass" ratios (as if they were ratios of inertias) but they are in fact ratios of quantities of the same distance-cubed-over-square-time type. A strict proportionality of inertia to attractiveness is not axiomatic but is something Dicke and others have attempted to verify. So calling them "mass" ratios requires comment.
Exact conversion to TPM
In TPM units (one of several proposed practically-scaled versions of the Planck units) the Planck minute of exactly 20000/371 seconds is based on the atomic clock and the pace ( c = 1010pace/minute) has an exact metric equivalent. So it is trivial to make an exact conversion of the NASA "heliocentric gravitational constant" into TPM units. I leave off some digits. The number is known to greater accuracty but it seems hardly necessary to write it all out.
9.1367857×1022 pace3/minute2
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