Data Provider Groups | Data Provider Elements

Attitude Segment YPR

The attitude of the vehicle with respect to the vehicle's central body inertial coordinate system, expressed using YPR angles. Additionally, provides information on the attitude segment being used at the given time.

Similar to Euler angles, YPR angles specify attitude using three rotations in sequence: a rotation about the reference X axis is called roll (R), a rotation about the reference Y axis is called pitch (P), and a rotation about the reference Z axis is called yaw (Y). Unlike Euler angles, the rotations are not made about axes defined by an earlier rotation: each rotation is made about the reference system's axes.

As used in YPR angles, the names yaw, pitch, and roll do not refer to the angles normally used in aviation; the terms yaw, pitch, and roll in aviation refer to 321 Euler angles.

Available for these objects: Satellite

Type: Time-varying data. Intended to be used only with elements from this same data provider.

Availability: Reports | Graphs | Dynamic Displays | Strip Charts

Data Provider Groups

Name	Description
Seq RPY	Attitude represented using the sequence of rotations about the X axis, then about the Y axis, then about the Z axis.
Seq RYP	Attitude represented using the sequence of rotations about the X axis, then about the Z axis, then about the Y axis.
Seq PRY	Attitude represented using the sequence of rotations about the Y axis, then about the X axis, then about the Z axis.
Seq PYR	Attitude represented using the sequence of rotations about the Y axis, then about the Z axis, then about the X axis.
Seq YRP	Attitude represented using the sequence of rotations about the Z axis, then about the X axis, then about the Y axis.
Seq YPR	Attitude represented using the sequence of rotations about the Z axis, then about the Y axis, then about the X axis.

Data Provider Elements

Name	Dimension	Type	Description
Time	Date	Real Number or Text	Time.
Yaw	Angle	Real Number or Text	Yaw angle, i.e., the rotation angle about the reference Z-axis.
Pitch	Angle	Real Number or Text	Pitch angle, i.e., the rotation angle about the reference Y-axis.
Roll	Angle	Real Number or Text	Roll angle, i.e., the rotation angle about the reference X-axis.
Segment Name	Unitless	Text	The name of the attitude segment being used at the given time.
Segment Type	Unitless	Text	The type of the segment.
Segment Long Name	Unitless	Text	The description associated with the name of the attitude segment being used at the given time.