Engineering topics
Publications and source records attributed to Hartwell, J. G..
Center of mass small displacement effects on satellite orbits by solving variational equations for scalar potential function employing matrix formalism
Minor variations in mathematical model for GEOS 1 /Explorer 29/ studied for effects on orbit
Recursion formulae to generate Taylor series expansion for motion of n-point masses subject to gravitational attractions
Geodetic satellite-A experiment designs on data acquisition, processing, and analysis, and accuracy evaluations of tracking systems
Motion equations of sun, moon, earth and lunar probe integrated by power series solution and analytic continuation with recursively formed derivatives