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Proceedings Paper

On-orbit radiometric calibration over time and between spacecraft using the Moon
Author(s): Hugh H. Kieffer; Thomas C. Stone; Robert A. Barnes; Steven C. Bender; Robert E. Eplee; Jeffrey A. Mendenhall; Lawrence Ong
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Paper Abstract

The Robotic Lunar Observatory (ROLO) project has developed a spectral irradiance model of the Moon that accounts for variations with lunar phase through the bright half of a month, lunar librations, and the location of an Earth-orbiting spacecraft. The methodology of comparing spacecraft observations of the Moon with this model has been developed to a set of standardized procedures so that comparisons can be readily made. In the cases where observations extend over several years (e.g., SeaWiFS), instrument response degradation has been determined with precision of about 0.1% per year. Because of the strong dependence of lunar irradiance on geometric angles, observations by two spacecraft cannot be directly compared unless acquired at the same time and location. Rather, the lunar irradiance based on each spacecraft instrument calibration can be compared with the lunar irradiance model. Even single observations by an instrument allow inter-comparison of its radiometric scale with other instruments participating in the lunar calibration program. Observations by SeaWiFS, ALI, Hyperion and MTI are compared here.

Paper Details

Date Published: 8 April 2003
PDF: 12 pages
Proc. SPIE 4881, Sensors, Systems, and Next-Generation Satellites VI, (8 April 2003); doi: 10.1117/12.462611
Show Author Affiliations
Hugh H. Kieffer, U.S. Geological Survey (United States)
Thomas C. Stone, U.S. Geological Survey (United States)
Robert A. Barnes, NASA Goddard Space Flight Ctr. (United States)
Steven C. Bender, Los Alamos National Lab. (United States)
Robert E. Eplee, NASA Goddard Space Flight Ctr. (United States)
Jeffrey A. Mendenhall, MIT Lincoln Labs. (United States)
Lawrence Ong, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 4881:
Sensors, Systems, and Next-Generation Satellites VI
Hiroyuki Fujisada; Joan B. Lurie; Michelle L. Aten; Konradin Weber; Joan B. Lurie; Michelle L. Aten; Konradin Weber, Editor(s)

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