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    Automated Spacecraft Conjunction Assessment at Mars and the Moon - A Five Year Update

    Berry, David / Tarzi, Zahi / Roncoli, Ralph B. et al. | AIAA | 2018

    Automated Spacecraft Conjunction Assessment at Mars and the Moon - A Five Year Update (AIAA 2018-2678)

    Berry, David / Tarzi, Zahi / Roncoli, Ralph B. et al. | British Library Conference Proceedings | 2018

    An Updated Process for Automated Deepspace Conjunction Assessment

    Tarzi, Zahi B. / Berry, David S. / Roncoli, Ralph B. | NTRS | 2015

    Mars Observer mission status and orbit insertion phase planning

    Dodd, Suzanne R. / Roncoli, Ralph B. | NTRS | 1993

    Design of an Extended Mission for GRAIL

    Sweetser, Theodore H. / Wallace, Mark S. / Hatch, Sara J. et al. | NTRS | 2012

    Trajectory Design of the Lunar Impactor Mission Concept

    Chung, Min-Kun J. / McElrath, Timothy P. / Roncoli, Ralph B. | NTRS | 2006

    A strategy to rotate the Mars Observer orbit node line to advance the mapping schedule

    Pernicka, Henry J. / Sweetser, Theodore H. / Roncoli, Ralph B. | NTRS | 1993

    Mars Observer mission design

    Beerer, Joseph G. / Horvat, Glen M. / Roncoli, Ralph B. | NTRS | 1989

    Preliminary Maneuver Analysis for the Europa Clipper Multiple-Flyby Mission

    Valerino, Powtawche N. / Buffington, Brent / Criddle, Kevin et al. | AIAA | 2014

    Navigation of the GRAIL Spacecraft Pair Through the Extended Mission at the Moon

    Goodson, Troy D. / Antreasian, Peter G. / Bhat, Ram S. et al. | NTRS | 2013