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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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Spacecraft planetary capture using gravity assist manoeuvres

Macdonald, M. and McInnes, C.R. (2005) Spacecraft planetary capture using gravity assist manoeuvres. Journal of Guidance, Control and Dynamics, 28 (2). pp. 365-369. ISSN 0731-5090

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McInnes_CR_&_Macdonald_M_-_strathprints_-_Spacecraft_planetary_capture_using_gravity_assist_manoeuvres_Mar_2010.doc

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Abstract

If the arrival speed at a target body can be increased from the very low hyperbolic excesses required to perform a low-thrust capture maneuver, then potentially significant savings can be made in the heliocentric mission duration if a bound orbit about the target planet can be maintained. We define a bound orbit as having an apoapsis that is positive but less than infinity; however, because this is not a practical limit and is instead a theoretical limit we examine the impact of reducing the target apoapsis to more realistic and useful values within specific case studies. Furthermore, an increase in arrival velocity can be expected to yield a benefit in mission launch mass.