Tracking strategies for laser ranging to multiple satellite targets

Details Tracking strategies for laser ranging to multiple satellite targets Tracking strategies for laser ranging to multiple satellite targets

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14e..27r&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 14, no. 5, p. (5)27-(5)33

Computer Science

Geodesy, Geodetic Accuracy, Geodetic Satellites, Gravimetry, Lageos (Satellite), Laser Range Finders, Rangefinding, Satellite Constellations, Satellite Tracking, Geodetic Coordinates, Orbit Insertion

Scientific paper

By the middle of the decade, several new Laser Geodynamic Satellites will be launched to join the current constellation comprised of the laser geodynamic satellite (LAGEOS) (US), Starlette (France), Ajisai (Japan), and Etalon I and II (USSR). The satellites to be launched, LAGEOS II and III (US & Italy), and Stella (France), will be injected into orbits that differ from the existing constellation so that geodetic and gravimetric quantities are sampled to enhance their resolution and accuracy. An examination of various possible tracking strategies adopted by the network of laser tracking stations has revealed that the recovery of precise geodetic parameters can be obtained over shorter intervals than is currently obtainable with the present constellation of satellites. This is particularly important in the planning of mobile laser tracking operations, given a network of permanently operating tracking sites. Through simulations, it is shown that laser tracking of certain satellite passes, pre-selected to provide optimal sky-coverage, provides the means to acquire a sufficient amount of data to allow the recovery of 1 cm station positions.

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