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Use of Libration-Point Orbits for Space Observatories

Published online by Cambridge University Press:  12 April 2016

Robert W. Farquhar  and
David W. Dunham
Robert W. Farquhar
Affiliation:
Goddard Space Flight Center, Greenbelt, Maryland 20770, U.S.A.
David W. Dunham
Affiliation:
Computer Sciences Corp., 10110 Aerospace Road, Lanham, Maryland 20706, U.S.A.

Abstract

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The Sun-Earth libration points, L1 and L2, are located 1.5 million kilometers from the Earth towards and away from the Sun. Halo orbits about these points have significant advantages for space observatories in terms of viewing geometry, thermal and radiation environment, and delta-V expediture.

Type
IV. Relative Merits of Various Observatories
Information
International Astronomical Union Colloquium , Volume 123: Observatories in Earth Orbit and Beyond , 1990 , pp. 391 - 395
Copyright
Copyright © Kluwer 1990

References

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