Ranger and Mariner II missions reviewed from tracking standpoint; real-time flight-path analysis and performance experienced during Ranger VI and VII missions are discussed in terms of " correctness" of real-time orbit estimates and execution errors of midcourse maneuver; results of determination of physical constants from earth-based radio tracking of Mariner II and Ranger II I through VII missions; role of earth-based radio guidance (EBRG) for Mariner IV, Surveyor, and Apollo missions is discussed.
Results on physical constants and related data from radio tracking of mariner (Venus) and ranger III-VII missions
J Spacecraft Rockets
Journal of Spacecraft and Rockets ; 2 , n 5
1965
9 pages
Aufsatz (Zeitschrift)
Englisch
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