Zobrazeno 1 - 6
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pro vyhledávání: '"Brian Pieper"'
Publikováno v:
2023 IEEE Aerospace Conference.
Publikováno v:
2022 IEEE Aerospace Conference (AERO).
Publikováno v:
2020 IEEE Aerospace Conference.
CloudSat, now in its 13th year on orbit, has employed various strategies over its lifetime to compensate for a weakened battery and the loss of a reaction wheel. The creative efforts required to keep the mission going have been documented in a number
Autor:
Ian J. Gravseth, Brian Pieper
Publikováno v:
2014 IEEE Aerospace Conference.
Since joining the A-Train in May 2006, CloudSat actively maintained its orbit and flew in tight formation with CALIPSO. This required CloudSat to perform orbit maintenance burns approximately every two to three weeks and to also perform larger inclin
Autor:
Gerardo San Juan, Greg Mayer, Ryan K. Palmer, Brian Pieper, Michael Weiss, Scott Mitchell, Kevin Miller, Lance Pritikin, Angela L. Monheim
Publikováno v:
AIAA SPACE 2009 Conference & Exposition.
GEOSAT Follow-On (GFO), a low earth-orbiting satellite launched in 1998, was scheduled for a planned shutdown and disposal process to commence on 31 December 2008. However, upon entering the full-sun season at the end of September 2008, additional st
Autor:
Ian J. Gravseth, Brian Pieper
Publikováno v:
International Journal of Space Science and Engineering. 1:410
This paper discusses CloudSat rejoining the A-Train after multiple faults from a severe battery anomaly on April 17th 2011 left the vehicle in a power-positive, but passive state. After diagnosing the anomaly, the CloudSat team developed and tested a