Standard Gravitational Parameter - Terminology and Accuracy

Terminology and Accuracy

Note that the reduced mass is also denoted by .

The value for the Earth is called the geocentric gravitational constant and equals 398,600.4418±0.0008 km3s−2. Thus the uncertainty is 1 to 500,000,000, much smaller than the uncertainties in G and M separately (1 to 7,000 each).

The value for the Sun is called the heliocentric gravitational constant and equals 1.32712440018×1020 m3s−2.

Read more about this topic:  Standard Gravitational Parameter

Famous quotes containing the word accuracy:

    The child who has been taught to make an accurate elevation, plan, and section of a pint pot has had an admirable training in accuracy of eye and hand.
    Thomas Henry Huxley (1825–95)