Returns the ECF coordinate of a satellite subpoint at a given time.

Namespace: Zeptomoby.OrbitTools.Track
Assembly: Zeptomoby.OrbitTools.Track (in Zeptomoby.OrbitTools.Track.dll) Version: 1.5.0.0 (1.5.0.0)

Syntax

C#
public static EcfTime SubpointEcf(
	this Satellite sat,
	DateTime utc,
	double kmLoft
)
Visual Basic
<ExtensionAttribute> _
Public Shared Function SubpointEcf ( _
	sat As Satellite, _
	utc As DateTime, _
	kmLoft As Double _
) As EcfTime
Visual C++
[ExtensionAttribute]
public:
static EcfTime^ SubpointEcf(
	Satellite^ sat, 
	DateTime utc, 
	double kmLoft
)

Parameters

sat
Type: Satellite
The satellite.
utc
Type: System..::..DateTime
The time in UTC.
kmLoft
Type: System..::..Double
The height of the subpoint above the earth ellipsoid model, in kilometers.

Return Value

The location of the satellite's subpoint, in ECF coordinates.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Satellite. When you use instance method syntax to call this method, omit the first parameter. For more information, see or .

See Also