A control network of Triton

Details A control network of Triton A control network of Triton

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....9615675d&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Aug. 25, 1991, p. 15,675-15,681.

Astronomy and Astrophysics

Astronomy

9

Astronomical Photography, Computer Programs, Planetary Craters, Triton, Voyager 2 Spacecraft, Galilean Satellites, Image Processing, Photogrammetry, Triangulation

Scientific paper

A control network for Triton has been computed using a bundle-type analytical triangulation program. The network contains 105 points that were measured on 57 Voyager-2 pictures. The adjustment contained 1010 observation equations and 382 normal equations and resulted in a standard measurement error of 13.36 microns. The coordinates of the control points, the camera orientation angles at the times when the pictures were taken, and Triton's mean radius were determined. A separate statistical analysis confirmed Triton's radius to be 1352.6 + or - 2.4 km. Attempts to tie the control network around the satellite were unsuccessful because discontinuities exist in high-resolution coverage between 66 deg and 289 deg longitude, north of 38 deg latitude, and south of 78 deg latitude.

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