Tracking Systems: Their Mathematical Models and Their Errors, Part 2National Aeronautics and Space Administration, 1966 - Space trajectories |
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Common terms and phrases
angle Apollo Argument of perigee axis azimuth bias errors Body Impact Parameters central force field column matrix combination Continuing the listing cosy covariance matrix defined discrete points earth eccentric anomaly Equation B-9 error analysis error ellipsoid errors in spacecraft evaluated fundamental plane hyperbola impact plane inertial coordinate system inserted into orbit k₁ least squares sense linear listing of matrices m/sec Mathematical Models matrix in spacecraft matrix in terms measurement noise miss number of measurements orbital parameters patched conic trajectory penetration point position and velocity priori knowledge R₁ R₂ range and range range rate system Reference region of dominance Right ascension RMS errors spacecraft position STATION LOCATION UNCERTAINTIES Systems Measuring targeting point tracking data tracking station tracking systems transition matrix true anomaly unit vector Variance-Covariance Matrix velocity vectors Vonbun Ŵ¯¹G weighted least squares δβ