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    Implementing a 50x50 Gravity Field Model in an Orbit Determination System (AAS 93-693)

    Fonte, D. J. / Proulx, R. J. / Cefola, P. J. et al. | British Library Conference Proceedings | 1993

    A Historical Survey of Earth Gravitational Models Used in Astrodynamics from Sputnik and Transit to GPS and TOPEX (AAS 93-620)

    Vetter, J. R. / Nerem, R. S. / Cefola, P. J. et al. | British Library Conference Proceedings | 1993

    Application of Sun-Synchronous Critically Inclined Orbits to Global Personal Communications Systems

    Sabol, C. / Cefola, P. J. / Metzinger, R. et al. | British Library Conference Proceedings | 1995

    Current Development of the Precision Semianalytical Satellite Theory

    Cefola, P. J. / Prolux, R. J. | British Library Conference Proceedings | 1996

    Refinement of a Sun-Synchronous, Critically Inclined Orbit for the ELLIPSO[TM] Personal Communication System

    Sabol, C. / Draim, J. / Cefola, P. J. et al. | British Library Conference Proceedings | 1996

    The Inclusion of the Naval Space Command Satellite Theory PPT2 in the R&D GTDS Orbit Determination System

    Cefola, P. J. / Fonte, D. J. / Shah, N. et al. | British Library Conference Proceedings | 1996

    The Determination of Precision Mean Element Sets from GPS Receiver on-Board Navigation Solutions

    Carter, S. S. / Cefola, P. J. / Proulx, R. J. et al. | British Library Conference Proceedings | 1996

    Parallel Orbit Propagation and the Analysis of Satellite Constellations

    Wallace, S. T. / Proulx, R. J. / Cefola, P. J. et al. | British Library Conference Proceedings | 1996

    Automated Station-Keeping for Satellite Constellations

    Shah, N. H. / Proulx, R. J. / Kantsiper, B. et al. | British Library Conference Proceedings | 1998

      Automated Station-Keeping for Satellite Constellations

      Shah, N. H. / Proulx, R. J. / Kantsiper, B. et al. | British Library Conference Proceedings | 1998

    Current Development of the Draper Semianalytical Satellite Theory Standalone Orbit Propagator Package (AAS 97-731)

    Neelon, J. G. / Cefola, P. J. / Proulx, R. J. et al. | British Library Conference Proceedings | 1998

    The Evolution of Highly-Eccentric Orbits: Decay Phase Analysis

    Fischer, J. D. / Cefola, P. J. / Proulx, R. J. et al. | British Library Conference Proceedings | 1998

    Estimating Atmosphere Density Variations to Improve LEO Orbit Prediction Accuracy

    Nazarenko, A. I. / Cefola, P. J. / Yurasov, V. et al. | British Library Conference Proceedings | 1998

    Modeling Catastrophic Decay Orbits Through Perigee

    Fischer, J. D. / Cefola, P. J. / Proulx, R. J. et al. | British Library Conference Proceedings | 1998

    Refinement of Satellite Ballistic Factors for the Estimation of Atmosphere Density Variations and Improved LEO Orbit Prediction

    Cefola, P. J. / Nazarenko, A. I. / Yurasov, V. et al. | British Library Conference Proceedings | 1999

    Optimal Station Keeping Strategies Via Parallel Genetic Algorithms

    Smith, J. E. / Proulx, R. J. / Cefola, P. J. et al. | British Library Conference Proceedings | 1999

    Orbit Determination for Medium-Altitude Eccentric Orbits Using GPS

    Neelon, J. G. / Proulx, R. J. / Cefola, P. J. et al. | British Library Conference Proceedings | 1999

    Elliptical Orbit Constellation- A New Paradigm for Higher Efficiency in Space Systems

    Draim, J. E. / Castiel, D. / Cefola, P. J. et al. | British Library Conference Proceedings | 2000

    Near-Real Time Atmospheric Density Correction Using NAVSPASUR Fence Observations (AAS 00-179)

    Granholm, G. R. / Proulx, R. J. / Cefola, P. J. et al. | British Library Conference Proceedings | 2000