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Journal Articles The Planetary Science Journal Year : 2022

Moonraker: Enceladus Multiple Flyby Mission

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A Masters
F Postberg
P Vernazza
A Vorburger
P Wurz
M Berthomier
J Brucato
M Cable
John Carter
V Dehant
T Fornaro
O Groussin
L Z Hadid
S Le Maistre
J I Lunine
Z Martins
G M Muñoz Caro
H Rauer
M Wieser

Abstract

Enceladus, an icy moon of Saturn, possesses an internal water ocean and jets expelling ocean material into space. Cassini investigations indicated that the subsurface ocean could be a habitable environment having a complex interaction with the rocky core. Further investigation of the composition of the plume formed by the jets is necessary to fully understand the ocean, its potential habitability, and what it tells us about Enceladus's origin. Moonraker has been proposed as an ESA M-class mission designed to orbit Saturn and perform multiple flybys of Enceladus, focusing on traversals of the plume. The proposed Moonraker mission consists of an ESA-provided platform with strong heritage from JUICE and Mars Sample Return and carrying a suite of instruments dedicated to plume and surface analysis. The nominal Moonraker mission has a duration of ∼13.5 yr. It includes a 23-flyby segment with 189 days allocated for the science phase and can be expanded with additional segments if resources allow. The mission concept consists of investigating (i) the habitability conditions of present-day Enceladus and its
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Dates and versions

insu-03895409 , version 1 (12-12-2022)

Licence

Attribution - NonCommercial - CC BY 4.0

Identifiers

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Olivier Mousis, Alexis Bouquet, Yves Langevin, N André, Hélène Boithias, et al.. Moonraker: Enceladus Multiple Flyby Mission. The Planetary Science Journal, 2022, 3, 268 (12pp). ⟨10.3847/psj/ac9c03⟩. ⟨insu-03895409⟩
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