Analysis of 208 US Navy orbits for the satellite 1970-47B at 14th-order resonance

Title

Analysis of 208 US Navy orbits for the satellite 1970-47B at 14th-order resonance

 Author

Walker, D.M.C.

Institution

Royal Aircraft Establishment RAE

 Date

1985-02-28

 Abstract

The orbit of 1970-47B passed very slowly through 14th-order resonance, and the changes in orbital inclination and eccentricity have been analysed over a four-year period, from January 1977 to January 1981, using 208 US Navy orbits. The analysis has yielded values for three pairs of lumped harmonic coefficients of 14th order, which have accuracies equivalent to 0.4, 1.5 and 2.0 cm in geoid height. Three pairs of values of 28th-order lumped harmonic coefficients were also obtained, and the best of these has a standard deviation corresponding to an accuracy of 0.7 cm in geoid height. The lumped harmonic coefficients have been compared with the corresponding values from the latest geopotential models, and agreement is satisfactory.

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 Publisher

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

 Access restriction

Campus only

 Source

RAE Technical Report No. 85015

 Part of collection

Aerospace Engineering Reports

 Document type

report

 Rights

© 1985 Controller HMSO London
Files
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