A technique for processing of planetary images with heterogeneous characteristics for estimating geodetic parameters of celestial bodies with the example of Ganymede


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Abstract

The new technique for generation of coordinate control point networks based on photogrammetric processing of heterogeneous planetary images (obtained at different time, scale, with different illumination or oblique view) is developed. The technique is verified with the example for processing the heterogeneous information obtained by remote sensing of Ganymede by the spacecraft Voyager-1, -2 and Galileo. Using this technique the first 3D control point network for Ganymede is formed: the error of the altitude coordinates obtained as a result of adjustment is less than 5 km. The new control point network makes it possible to obtain basic geodesic parameters of the body (axes size) and to estimate forced librations. On the basis of the control point network, digital terrain models (DTMs) with different resolutions are generated and used for mapping the surface of Ganymede with different levels of detail (Zubarev et al., 2015b).

About the authors

A. E. Zubarev

Moscow State University of Geodesy and Cartography (MIIGAiK); MIIGAiK Extraterrestrial Laboratory (MExLab)

Author for correspondence.
Email: a_zubarev@miigaik.ru
Russian Federation, Moscow; Moscow

I. E. Nadezhdina

Moscow State University of Geodesy and Cartography (MIIGAiK); MIIGAiK Extraterrestrial Laboratory (MExLab)

Email: i_karachevtseva@miigaik.ru
Russian Federation, Moscow; Moscow

E. S. Brusnikin

Moscow State University of Geodesy and Cartography (MIIGAiK); MIIGAiK Extraterrestrial Laboratory (MExLab)

Email: i_karachevtseva@miigaik.ru
Russian Federation, Moscow; Moscow

I. P. Karachevtseva

Moscow State University of Geodesy and Cartography (MIIGAiK); MIIGAiK Extraterrestrial Laboratory (MExLab)

Author for correspondence.
Email: i_karachevtseva@miigaik.ru
Russian Federation, Moscow; Moscow

J. Oberst

Moscow State University of Geodesy and Cartography (MIIGAiK); MIIGAiK Extraterrestrial Laboratory (MExLab)

Email: i_karachevtseva@miigaik.ru
Russian Federation, Moscow; Moscow

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