AreaTarget: Centroid Lighting AER
Angle and range data describing the
apparent position vector of the Sun relative to the selected point.
The data is reported in the object's Local horizontal frame. This
frame has the Z axis aligned with the inward surface normal
direction (minus Z is up) and the X axis constrained toward the
local north direction.
Type: Time-varying data
Availability: Reports
Name |
Dimension |
Type |
Description |
Time |
DateFormat |
Real Number |
Time. |
Azimuth |
LongitudeUnit |
Real Number |
Dihedral angle between north vector and velocity
vector about the detic nadir vector. The velocity vector is the
velocity of the object, as observed in the object's central body
fixed coordinate system. |
Elevation |
AngleUnit |
Real Number |
Angle between the velocity vector and the local
horizontal plane. The velocity vector is the velocity of the
object, as observed in the object's central body fixed coordinate
system. |
Range |
DistanceUnit |
Real Number |
The range (i.e., distance between the primary and
secondary object) at the given time. |
STK Programming Interface 11.0.1