NORAD Tracking
Parameter: " Arg. of Perigee [Degrees]"
Limits: 0.0 to 360.0
Description:
Earth Centered Inertial Argument of Perigee in a True Earth Mean Equinox (TEME)
reference fixed at the time of Epoch. Units: degrees
Parameter: " Mean Anomaly [degrees]"
Limits: 0.0 to 360.0
Description:
Earth Centered Inertial Mean Anomaly in a True Earth Mean Equinox (TEME)
reference fixed at the time of Epoch. Units: degrees
Parameter: " Mean Motion [revs per day]"
Limits: 0.0 to 100.0
Description:
Earth Centered Inertial Mean Motion in a True Earth Mean Equinox (TEME)
reference fixed at the time of Epoch. Units: revs per day
Parameter: " Polarization angle [deg]"
Limits: 0 to 90
Description:
Polarization angle used with Norad 2 line tracking, if polarization is enabled. If the
ACU doesn't control polarization, this value is irrelevant.
Parameter: "Bias angles [deg]"
Limits: -180 to 180
Description:
These angles are added to the calculated lookangles to come up with the target
position.
Note:
1. 4 digits are required for year (e.g.: 2000, not 00).
2. The ACU will select the propagator (SPP4 or SDP4) when tracking starts
based on the orbital period. If less than 225 minutes SGP4 will be used.
For greater or equal to 225 minutes DSP4 will be used.
3. Decimal points must be supplied for the elements that do not have them in
the original sets. This includes BSTAR and Eccentricity.
4. The data is taken from the following locations:
Line Column
Epoch Year 1 19-20
Epoch DOY 1 21-32
K-5
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