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Proceedings Paper

S-NPP VIIRS lunar observations
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Paper Abstract

Lunar observations by the Suomi-NPP instrument VIIRS help improve our understanding of the radiometric calibration of the reflected solar bands (RSB). The spacecraft performs a scheduled roll maneuver approximately nine times per year to acquire lunar data at nearly constant phase angles. The instrument also captures lunar radiometric data at other times when the instrument Space View port serendipitously points at the Moon. In this paper, we present results only from the scheduled Moon observations, comparing the observed lunar irradiance to ROLO model results to provide calibration coefficients for each band, mirror side, and detector. These results can be evaluated directly to the primary RSB calibration method derived from the Solar Diffuser. This paper also discusses recent improvements to our methodology for measuring the lunar irradiance, including a new method for determining the lunar position within the field of view, an all-detector calibration methodology, and an assessment of the uncertainties in our lunar observations. This paper includes lunar observation data through June 2014.

Paper Details

Date Published: 26 September 2014
PDF: 16 pages
Proc. SPIE 9218, Earth Observing Systems XIX, 921804 (26 September 2014); doi: 10.1117/12.2061989
Show Author Affiliations
Jon P. Fulbright, Sigma Space Corp. (United States)
Zhipeng Wang, Sigma Space Corp. (United States)
Xiaoxiong Xiong, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 9218:
Earth Observing Systems XIX
James J. Butler; Xiaoxiong (Jack) Xiong; Xingfa Gu, Editor(s)

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