Engineering topics
Publications and source records attributed to Blackshear, W. T..
Lunar Orbiter tracking data analyzed to yield thirteenth degree and order spherical harmonic approximation to lunar gravitational potential function
Accuracy of estimating location of landed spacecraft on Mars from range and range rate data
Statistical orbit and position determination for Mars orbiters and landers based on Viking 1973 mission requirements, discussing tracking problems
Statistical orbit and position determination for Mars orbiters and landers based on Viking 1973 mission requirements, discussing tracking problems
Lunar gravitational field determination from analysis of Lunar Orbiter spacecraft tracking data
Lunar mass and gravitational field determined from lunar satellite dynamics, using potential function in terms of spherical harmonics
Lunar gravitational field determination from analysis of Lunar Orbiter spacecraft tracking data
Manual procedure for midcourse guidance and applications to Earth-Moon trajectories
Lunar gravitational field from analysis of long term and secular variations of Keplerian orbital elements from Doppler tracking data for Lunar Orbiter 1 satellite
Liquid equilibrium configurations and disturbances of vehicle motion due to liquid sloshing in space
Liquid equilibrium configurations and disturbances of vehicle motion due to liquid sloshing in space
Solar system geometric parameters for use as interplanetary navigation aids
Equilibrium free surface of contained liquid under effects of low gravity, translational and angular acceleration, and capillary forces