Satellite: Pos Vel Rotated Covariance: J2000
Mean Equator and Mean Equinox of the Earth at the J2000 epoch (JD 2451545.0 TDB which is 1 Jan 2000 12:00:00.000 TDB). The J2000 axes were considered the best realized inertial axes until the development of the ICRF.
| 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. |