In April 2011, CloudSat suffered a severe battery anomaly, leaving the space-craft in emergency mode without the ability to command or maneuver the spacecraft. Before the team was able to recover spacecraft operability, CloudSat passed close to the Aqua satellite in the A-Train and then exited the A-Train. A new mode of operations, termed Daylight Only Operations (DO-Op) mode was developed to enable CloudSat to resume science operations in an orbit under the A-Train by November 2011, and in July 2012 CloudSat re-entered the A-Train. This paper describes challenges and lessons-learned during the anomaly, the exit from the A-Train and the return to the A-Train. These lessons-learned may ap-ply to other current and future satellite constellations in Earth orbit.


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    Title :

    CloudSat Anomaly and Return to the A-Train: Lessons Learned for Satellite Constellations


    Contributors:

    Conference:

    International Conference on Satellite Constellations and Formation Flying ; 2015 ; Delft,, Netherlands


    Publication date :

    2015-06-08


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English






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