JPSS-1/NOAA-20 VIIRS early on-orbit geometric performance

Guoqing Lin; Robert E. Wolfe; James C. Tilton; Ping Zhang; John J. Dellomo; Bin Tan

doi:10.1117/12.2320767

7 September 2018 JPSS-1/NOAA-20 VIIRS early on-orbit geometric performance

Guoqing Lin, Robert E. Wolfe, James C. Tilton, Ping Zhang, John J. Dellomo, Bin Tan

Author Affiliations +

Proceedings Volume 10764, Earth Observing Systems XXIII; 107641H (2018) https://doi.org/10.1117/12.2320767
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

The first NOAA/NASA Join Polar Satellite System (JPSS-1) satellite was successfully launched on November 18, 2017, becoming NOAA-20. Instruments on-board NOAA-20 satellite include the Visible Infrared Imaging Radiometer Suite (VIIRS). This instrument is the second build of VIIRS, with the first flight instrument on-board NASA/NOAA Suomi National Polar-orbiting Partnership (SNPP) satellite operating since October 2011. The purpose of these VIIRS instruments is to continue the long-term measurements of biogeophysical variables for multiple applications including weather forecasting, rapid response and climate research. The geometric performance of VIIRS is essential to retrieving accurate biogeophysical variables. This paper describes the early on-orbit geometric performance of the JPSS-1/NOAA-20 VIIRS. It first discusses the on-orbit orbit and attitude performance, a key input needed for accurate geolocation. It then discusses the on-orbit geometric characterization and calibration of VIIRS geometry and an initial assessment of the geometric accuracy. This section includes a discussion of an improvement in the geometric model that corrects small geometrical artifacts that appear in the along-scan direction. Finally, this paper discusses on-orbit measurements of the focal length and the impact of this on the scan-to-scan underlap/overlap.

Conference Presentation

Citation Download Citation

Guoqing Lin, Robert E. Wolfe, James C. Tilton, Ping Zhang, John J. Dellomo, and Bin Tan "JPSS-1/NOAA-20 VIIRS early on-orbit geometric performance", Proc. SPIE 10764, Earth Observing Systems XXIII, 107641H (7 September 2018); https://doi.org/10.1117/12.2320767

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