12 October 2015 ASTER system operating achievement for 15 years on orbit
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Abstract
ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) System is operating more than 15 years since launched on board of NASA’s Terra spacecraft in December 1999. ASTER System is composed of 3 radiometers (VNIR (Visible and Near Infrared Radiometer), SWIR (Short-Wave Infrared Radiometer), and TIR (Thermal Infrared Radiometer)), CSP (Common Signal Processor) and MSP (Master Power Supply). This paper describes the ASTER System operating history and the achievement of ASTER System long term operation since the initial checkout operation, the normal operation, and the continuous operation. Through the 15 years operation, ASTER system had totally checked the all subsystems (MPS, VNIR, TIR, SWIR, and CSP) health and safety check using telemetry data trend evaluation, and executed the necessary action. The watch items are monitored as the life control items. The pointing mechanics for VNIR, SWIR and TIR, and the cooler for SWIR and TIR are all operating with any problem for over 15 years. In 2003, ASTER was successfully operated for the lunar calibration. As the future plan, ASTER team is proposing the 2nd lunar calibration before the end of mission.
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Hitomi Inada, Hitomi Inada, Yoshiyuki Ito, Yoshiyuki Ito, Masakuni Kikuchi, Masakuni Kikuchi, Fumihiro Sakuma, Fumihiro Sakuma, Kenji Tatsumi, Kenji Tatsumi, Shigeki Akagi, Shigeki Akagi, Hidehiko Ono, Hidehiko Ono, } "ASTER system operating achievement for 15 years on orbit", Proc. SPIE 9639, Sensors, Systems, and Next-Generation Satellites XIX, 96391Z (12 October 2015); doi: 10.1117/12.2193852; https://doi.org/10.1117/12.2193852
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