Demonstration of optical navigation measurements on Mariner 10

Details Demonstration of optical navigation measurements on Mariner 10 Demonstration of optical navigation measurements on Mariner 10

Jan 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975aiaa.meetu....s&link_type=abstract

American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting, 13th, Pasadena, Calif., Jan. 20-22, 1975, 12 p.

Computer Science

Performance

Astronomical Photography, Mariner Venus-Mercury 1973, Optical Measuring Instruments, Space Navigation, Spaceborne Photography, Spacecraft Television, Calibrating, Computer Programs, Ground Based Control, Onboard Equipment, Performance Tests, Star Distribution, Television Cameras

Scientific paper

An experiment was performed on the Mariner 10 Venus/Mercury mission to assess the performance of the onboard television cameras and ground-based software used in the optical navigation measurement system. The elements of the system, calibration, and distortion are considered. The navigation technique requires detection of stars in the same field of view as the target body. The star detection capability is discussed with reference to required threshold, calibration factors, standard conditions, camera sensitivity, response uniformity, and the effect of image smearing. Tests conducted during the Mariner 10 encounters with Mercury demonstrated that a large bright planet can be imaged simultaneously with faint stars to provide accurate navigation data. Improvements are suggested in the system for the Mariner Jupiter/Saturn 1977 and later missions.

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