= Planetary Physical Parameters by NASA JPL
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https://ssd.jpl.nasa.gov/planets/phys_par.html[NASA Jet Propulsion Laboratory: physical parameters and source notes]
The table provides Solar System planetary masses and mean radii, with provenance notes including the CODATA2018 value of the gravitational constant.
https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html[Earth Fact Sheet: mean radius6371km and mass5.9722×10²⁴kg]
https://nssdc.gsfc.nasa.gov/planetary/factsheet/jupiterfact.html[Jupiter Fact Sheet: mass1.89813×10²⁷kg]
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