CelestialObject.Mu Property

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Description

The gravity constant of the CelestialObject. This value is used for propagation of a Spacecraft with a point mass gravitational model. When a Spacecraft is propagated using a gravitational potential field file, the Mu (Gravity Constant) specified in the file is used for propagation of that Spacecraft.

Mu = GM (in km^3/s^2), where: G = 6.67259x10^-20 km^3/(kg*sec^2), M = mass (kg).

For custom CelestialObjects, the default Mu value is that of Earth from the DE440 file. For built-in CelestialObjects, the default value is retriefed from the DE file specified by the FF_SolarSystem.DefaultDEXXXFile property.

Timing Precision Mode

This page describes functionality in nanosecond timing precision mode.

Click here to see the documentation for this object in millisecond timing precision mode.

Attributes

Type:	number
Access:	read/write
Units:	km3/s2
Default Value:	398600.4355
Valid Range:	CelestialObject.Mu > 0

Syntax

myVariable1 = myCelestialObject1.Mu;

myCelestialObject1.Mu = myVariable1;