Spacecraft.SpacecraftNoon(Array, Array) Method

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Description

Computes the observed noon as seen by the Spacecraft. Noon is defined as the midpoint between the two times when the Spacecraft exits and enters the Earth's umbral cone. This method returns the shadow entry and exits times, as well as the time of Spacecraft Noon.

Timing Precision Mode

This page describes functionality in millisecond timing precision mode. Millisecond timing precision mode is deprecated and will be removed in a future release. We recommend that you migrate your Mission Plans to nanosecond timing precision mode.

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

Note: This is an interval method. See the Interval Methods page for more information.

Note: This method has a state. See the Methods and Properties with State page for more information.

Method Signature

Spacecraft.SpacecraftNoon(	Array EventTime,
	Array EventType)

Arguments

EventTime

Description:

The time that the event occurred.

The FF_Preferences.IntervalEventReportingBehavior property controls whether the start of propagation is reported as an event. By default, if the exit from shadow is before the beginning of the propagation span, FreeFlyer will label the start of the propagation as the exit from shadow.

EventType
Description:	The type of the event that occurred. Event type == 1 is exit from shadow. Event type == 2 is entry into shadow. Event type == 3 is spacecraft noon.

Return Value

Type:

number

Returns the number of elements filled into EventType and EventTime arrays

Syntax

myVariable1 = mySpacecraft1.SpacecraftNoon(myArray1, myArray2);