Geopotential harmonics of order 15 and 30, from analysis of the orbit of satellite 1971-10B

Title

Geopotential harmonics of order 15 and 30, from analysis of the orbit of satellite 1971-10B

 Author

Walker, D.M.C.

Institution

Royal Aircraft Establishment RAE

 Date

1984-01-31

 Abstract

The satellite 1971-l0B passed through exact 15th-order resonance on 1981 March 30, and orbital parameters have been determined at 52 epochs from some 3500 observations using the RAE orbit refinement program, PROP, between 1980 September and 1981 October. The variations in inclination and eccentricity during this time have been analysed, and six lumped 15th-order harmonie coefficients and two 30th-order coefficients have been evaluated. The 15th-order coefficients are the best yet obtained for an orbital inclination near 650º and previously there were no 30th-order coefficients available at this inclination. The lumped coefficients have been used to test the Goddard Earth Model GEM 10B: there is good agreement for seven of the eight coefficients.

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 Publisher

Procurement Executive, Ministry of Defence, Royal Aircraft Establishment, RAE Farnborough

 Access restriction

Campus only

 Source

RAE Technical Report No. 84008

 Part of collection

Aerospace Engineering Reports

 Document type

report

 Rights

© 1984 Controller HMSO London
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