NSSDCA ID: XXNO-00050
Availability: Data Accessible Elsewhere
Time span: 1972-03-03 to 1974-05-01
This data set consists of two sets of charts of preliminary trajectories provided by JPL. One set of charts is for the spacecraft Pioneer E (launched August 27, 1969, but failed to attain orbit), Pioneer F (Pioneer 10, 72-012A), and Pioneer G (Pioneer 11, 73-019A). This set can be used to determine the position of the spacecraft with respect to the earth-sun line at various times into the missions. A user can also determine the estimated telemetry bit rate that will be used as a function of position of the spacecraft with respect to the sun, and as a function of the various communication antennas available to receive the data. The reverse side of the chart contains similar information for Mariner 71 (Mariner 9, 71-051A), Mariner J (Mariner 10, launched in 1973), Helios (launched in 1974), and Pioneer 9 (69-100A) superimposed on the Pioneer E, 10, and 11 trajectories. The second set of charts is similar to the first but contains Mariner 9, Pioneer 10, Pioneer 11, Mariner 10, and Helios A on one side, and Pioneer 10 and Pioneer 11 on the other side. Both sets of charts can be used to determine the direct line-of-sight viewing period.
Questions and comments about this data collection can be directed to: Dr. John F. Cooper
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