2020
DOI: 10.5194/ica-abs-2-42-2020
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Reference frame and map projection for irregular shaped celestial bodies

Abstract: Abstract. Recent advancements of technology resulted in greater knowledge of the Solar System and the need for mapping small celestial bodies significantly increased. However, creating a good map of such small objects is a big challenge for the cartographer: they are usually irregular shaped, the usual reference frames like the ellipsoid of revolution is inappropriate for their approximation.A method is presented to develop best-fitting irregular surfaces of revolution that can approximate any irregular celest… Show more

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“…In general, the location of each point on a map is defined according to a specific reference system that should be selected carefully to achieve a high level of positional accuracy of geospatial data ( Snyder, 1997 ; Kneissl et al., 2011 ). Map projection plays a vital role in converting the earth's curved according to an identified set of mathematical rules onto a developable surface that can be cut and flattened without stretching or tearing ( Deetz and Adams, 1945 ; Kerkovits and Takáts, 2020 ; Lv, 2021 ). In contrast, distortion cannot be entirely avoided when transforming geodetic positions (latitude φ, longitude λ) on an ellipsoidal datum to rectangular coordinates (E, N) on a chart, but it can be controlled and systematized to a certain degree ( Mulcahy and Clarke, 2001 ).…”
Section: Introductionmentioning
confidence: 99%
“…In general, the location of each point on a map is defined according to a specific reference system that should be selected carefully to achieve a high level of positional accuracy of geospatial data ( Snyder, 1997 ; Kneissl et al., 2011 ). Map projection plays a vital role in converting the earth's curved according to an identified set of mathematical rules onto a developable surface that can be cut and flattened without stretching or tearing ( Deetz and Adams, 1945 ; Kerkovits and Takáts, 2020 ; Lv, 2021 ). In contrast, distortion cannot be entirely avoided when transforming geodetic positions (latitude φ, longitude λ) on an ellipsoidal datum to rectangular coordinates (E, N) on a chart, but it can be controlled and systematized to a certain degree ( Mulcahy and Clarke, 2001 ).…”
Section: Introductionmentioning
confidence: 99%