True equator and true equinox of the
Earth at the orbit epoch. The orbit epoch is taken from the initial
conditions of the satellite when possible, otherwise it is taken to
be the time of the first ephemeris point.
Name |
Dimension |
Type |
Description |
Time |
DateFormat |
Real Number |
Time. |
Sigma X |
DistanceUnit |
Real Number |
Square root of the first diagonal component of the
covariance matrix. |
Sigma Y |
DistanceUnit |
Real Number |
Square root of the second diagonal component of the
covariance matrix. |
Sigma Z |
DistanceUnit |
Real Number |
Square root of the third diagonal component of the
covariance matrix. |
Sigma Xd |
Rate |
Real Number |
Square root of the fourth diagonal component of the
covariance matrix. |
Sigma Yd |
Rate |
Real Number |
Square root of the fifth diagonal component of the
covariance matrix. |
Sigma Zd |
Rate |
Real Number |
Square root of the sixth diagonal component of the
covariance matrix. |
Correlation XY |
Unitless |
Real Number |
XY correlation coefficient of the covariance
matrix. |
Correlation XZ |
Unitless |
Real Number |
XZ correlation coefficient of the covariance
matrix. |
Correlation XXd |
Unitless |
Real Number |
XXd correlation coefficient of the covariance
matrix. |
Correlation XYd |
Unitless |
Real Number |
XYd correlation coefficient of the covariance
matrix. |
Correlation XZd |
Unitless |
Real Number |
XZd correlation coefficient of the covariance
matrix. |
Correlation YZ |
Unitless |
Real Number |
YZ correlation coefficient of the covariance
matrix. |
Correlation YXd |
Unitless |
Real Number |
YXd correlation coefficient of the covariance
matrix. |
Correlation YYd |
Unitless |
Real Number |
YYd correlation coefficient of the covariance
matrix. |
Correlation YZd |
Unitless |
Real Number |
YZd correlation coefficient of the covariance
matrix. |
Correlation ZXd |
Unitless |
Real Number |
ZXd correlation coefficient of the covariance
matrix. |
Correlation ZYd |
Unitless |
Real Number |
ZYd correlation coefficient of the covariance
matrix. |
Correlation ZZd |
Unitless |
Real Number |
ZZd correlation coefficient of the covariance
matrix. |
Correlation XdYd |
Unitless |
Real Number |
XdYd correlation coefficient of the covariance
matrix. |
Correlation XdZd |
Unitless |
Real Number |
XdZd correlation coefficient of the covariance
matrix. |
Correlation YdZd |
Unitless |
Real Number |
YdZd correlation coefficient of the covariance
matrix. |