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The effects of seasonal and latitudinal earth infrared radiance variations on ERBS attitude controlAnalysis performed in the Flight Dynamics Facility by the Earth Radiation Budget Satellite (ERBS) Attitude Determination Support team illustrates the pitch attitude control motion and roll attitude errors induced by Earth infrared (IR) horizon radiance variations. IR scanner and inertial reference unit (IRU) pitch and roll flight data spanning 4 years of the ERBS mission are analyzed to illustrate the changes in the magnitude of the errors on time scales of the orbital period, months, and seasons. The analysis represents a unique opportunity to compare prelaunch estimates of radiance-induced attitude errors with flight measurements. As a consequence of this work the following additional information is obtained: an assessment of an average model of these errors and its standard deviation, a measurement to determine and verify previously proposed corrections to the current Earth IR radiance data base, and the possibility of a mean motion model derived from flight data in place of IRU data for ERBS fine attitude determination.
Document ID
19900059712
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Phenneger, M.
(Computer Sciences Corp. Falls Church, VA, United States)
Dehen, J.
(Computer Sciences Corp. Falls Church, VA, United States)
Foch, D.
(Computer Sciences Corp. Falls Church, VA, United States)
Harvie, E.
(Computer Sciences Corp. Falls Church, VA, United States)
Virdy, M.
(Computer Sciences Corp. Falls Church, VA, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
AAS PAPER 89-390
Meeting Information
Meeting: AAS/AIAA Astrodynamics Conference 1989
Location: Stowe, VT
Country: United States
Start Date: August 7, 1989
End Date: August 10, 1989
Accession Number
90A46767
Funding Number(s)
CONTRACT_GRANT: NAS5-31500
Distribution Limits
Public
Copyright
Other

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