IRAS Explanatory Supplement
III. The IRAS Mission

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Chapter III Contents

1. Requirements
2. Constraints
   1. Introduction
   2. Attitude Control
   3. Solar Radiation
   4. Earth Radiation
   5. Moon and Planets
   6. South Atlantic Anomaly
   7. Station Passes
   8. Constant Sun Angle
   9. Ectipse Operations
3. Design
   1. Basic Strategy
   2. The Second Six Months
   3. Scan Rate
   4. Strategy during South Atlantic Anomaly Passage
   5. Moon and Jupiter Avoidance Strategy
   6. Strategy of Attitude and Photometric Calibration
   7. Realization of Survey Strategy
   8. Half-Orbit Constraint
   9. Lune Constant
   10. Hole Recovery Strategy
   11. Pre-Survey Observations
4. In-Flight Modifications
   1. Introduction
   2. Polar Horns
   3. Operations Problems
   4. Saturation
   5. The 5° Gap
   6. Early Eclipse and Warm Up

Authors:

J.P. Emerson, H.J. Habing. P.E. Clegg, S. Lundy

References

Bevan, H.C., McPherson, P.H., Champion, R.J.R. and Reid, M.F., 1983, Journal British Interplanetary Soc. 36, 10.

Davies, J.K., Green, S.F., Stewart, B.C., Meadows, A.J. and Aumann, H.H., 1984, Nature 309, 31.

Holdaway, R., 1984, American Institute of Aeronautics and Astronautics 22nd Aerospace Meeting, AIAA-84-0151.

Lau, C.O. and Wolff D.M., 1984, American Institute of Aeronautics and Astronautics Astrodynamics Conference, AIAA-84-2012.

Lundy, S.A., 1984, American Institute of Aeronautics and Astronautics 22nd Aerospace Meeting, AIAA-84-0149.

MacDougall, J.R., 1984, American Institute of Aeronautics and Astronautics 22nd Aerospace Meeting, AIAA-84-0148.

MacDougall, J.R., McPherson, P.H., Mount, K.E., and Thomas, G.R., 1984, Journal British Interplanetary Soc., 36, 34.

McLaughlin, W.I., 1984, American Institute of Aeronautics and Astronautics 22nd Aerospace Meeting, AIAA-84-0147.

Mount, K.E., 1 983, Journal British Interplanetary Soc., 36, 34.

Oord, E., de Pagter, P.J., van Holtz, R.C. and MacDougall, J.R., 1981, Proc. Int. Symp. Spacecraft Flight Dynamics, ESA SP-160.

Rowan-Robinson, M., et al., 1 984, Ap. J. (Lett.), 278, L7.

Stassinopoulos, E.G., 1 978, NASA Technical Report X-601-79-7.

Thomas, G.R., 1983, Journal British Interplanetary Soc., 36, 38.

van Holtz, R.C., 1983, Journal British Interplanetary Soc. 36, 6.

Wolff D.M., 1984, American Institute of Aeronautics and Astronautics 22nd Aerospace Meeting, AIAA-84-0150.

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