Simulation and analysis of the revised Huygens probe entry and descent trajectory and radio link modelling

Details Simulation and analysis of the revised Huygens probe entry and descent trajectory and radio link modelling Simulation and analysis of the revised Huygens probe entry and descent trajectory and radio link modelling

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004p%26ss...52..799k&link_type=abstract

Planetary and Space Science, Volume 52, Issue 9, p. 799-814.

Computer Science

6

Cassini/Huygens Mission, Huygens Probe, Relay Link, Mission Analysis, Entry And Descent Trajectory

Scientific paper

The Cassini spacecraft will arrive at Saturn in 2004 carrying the Huygens probe. The beginning of the Cassini tour at Saturn has been redesigned to achieve a different relative orbiter/probe geometry in order to compensate for the probe relay receiver design flaw that was discovered during tests in February 2000. This paper presents a numerical simulation of the Huygens atmospheric entry and descent trajectory and the Cassini flyby trajectory during the probe mission. A variety of parameters that are crucial for the probe system and its scientific payload have been calculated and analyzed together with an assessment of their uncertainties. Furthermore the orbiter/probe relay link was simulated in order to assess any potential data loss on the basis of an analytical model of the actual Huygens receiver onboard the Cassini spacecraft. The redesigned Cassini/Huygens mission satisfies all science and engineering requirements and assures the best possible radio link for the entire nominal mission duration.

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