NASA NTRS · 19740019239
The ROAD program
Abstract
The philosophy, history, operation, calibration of and some analyses with the ROAD (Rapid Orbit Analysis and Determination) program are described. This semi-numeric trajectory program integrates and analyses mean element variations for earth orbits with great efficiency. Through it's use, extensive zonal, resonant harmonic and earth tidal determinations have been made at Goddard Space Flight Center since 1969.
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Wagner, C. A., Douglas, B. C., Williamson, R. G.. 1974-01-01. The ROAD program. https://ntrs.nasa.gov/citations/19740019239
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