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Mean elements of GEOS 1 and GEOS 2

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Abstract

A combined analytical-numerical procedure for determining mean orbital elements is presented and applied to the orbits of GEOS 1 and GEOS 2. The precision of the mean semi-major axes of these orbits is a few tens of centimeters when optical flash data are used to determine 2 day orbital arcs. Four day Minitrack orbits give mean semi-major axes of a few meters precision. The mean orientation parameters (i, Ω) determined from the optical data are obtained to a precision of about 0″.1.

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References

  • Gaposchkin, E. M. and Lambeck, K.: 1969,Smithsonian Astrophysical Observatory Special Report No. 315, Cambridge, Mass.

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  • Marsh, J. G. and Douglas, B. C.: 1971,Celes. Mech. 4, 309–328.

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  • Marsh, J. G., Douglas, B. C., and Klosko, S. M.: 1971, ‘A Unified Set of Tracking Station Coordinates Derived from Geodetic Satellite Tracking Data’, Goddard Space Flight Center Report No. X-553-71-370.

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Authors and Affiliations

  1. Wolf Research and Development Corporation, Riverdale, Md., USA

    B. C. Douglas

  2. Goddard Space Flight Center, Greenbelt, Md., USA

    J. G. Marsh

  3. Wolf Research and Development Corporation, Riverdale, Md., USA

    N. E. Mullins

Authors
  1. B. C. Douglas
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  2. J. G. Marsh
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  3. N. E. Mullins
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Douglas, B.C., Marsh, J.G. & Mullins, N.E. Mean elements of GEOS 1 and GEOS 2. Celestial Mechanics 7, 195–204 (1973). https://doi.org/10.1007/BF01229947

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  • DOI: https://doi.org/10.1007/BF01229947

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