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Journal of Spacecraft and Rockets
Article . 2003 . Peer-reviewed
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Feasibility of a Galileo-Style Tour of the Uranian Satellites

Authors: Andrew F. Heaton; James M. Longuski;

Feasibility of a Galileo-Style Tour of the Uranian Satellites

Abstract

Gravity-assist trajectories have been a key to outer solar system exploration. In particular, the gravity-assist tour of the Jovian satellites has contributed significantly to the success of the Galileo mission. A comparison of the Jovian system to the Uranian system reveals that the two possess similar satellite/planet mass ratios. Tisserand graphs of the Uranian system also indicate the potential for tours at Uranus. In this paper we devise tour strategies and design a prototypical tour of the Uranian satellites, demonstrating that tours at Uranus are feasible. In an example tour that launches in 2008, a series of flybys with Titania are used to reduce the inclination (14 deg at arrival) to permit encounters with Oberon, Ariel, and Umbriel. The tour involves over 40 flybys and ends after two years with a hyberbolic excess velocity with respect to Ariel of 0.92 km/s, which permits insertion into orbit about Ariel.

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    3
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
bronze