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GSFC orbit computations for ISAGEX operations (1972)

Agreen, R. W. ; Murphy, J. P. ; Marsh, J. G. ; [et al.]

In: CASI

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Publication Date: 2019-06-27

Description: The objective of the program is to collect a set of homogeneous and well distributed precise laser and camera satellite observations for the purpose of dynamic and geometric geodesy. The data gathering portion of the experiment extended from December 15, 1970 to August 31, 1971 and consisted of seven three-week saturation tracking periods. The seven geodetic satellites tracked were BE-B, BE-C, GEOS-1, GEOS-2, DI-C, DI-D, and PEOLE. The techniques employed to generate acquisition data for the two lasers are described. Analyses of the quick-look Astrosoviet NAFA-25 camera data indicated that the accuracy of these data was on the order of a few minutes of arc. These data were useful in definitive orbit determination.

Keywords: SPACE VEHICLES

Type: NASA-TM-X-65886 , X-553-72-23

Format: application/pdf

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