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Explorer of Enceladus and Titan (E2T): investigating ocean worlds' evolution and habitability in the solar system

Mitri, G. and Postberg, F. and Soderblom, J.M. and Wurz, P. and Tortora, P. and Abel, B. and Barnes, J.W. and Berga, M. and Carrasco, N. and Coustenis, A. and de Vera, Jean Pierre Paul and D'Ottavio, A. and Ferri, F. and Hayes, A.G. and Hayne, P.O. and Hillier, J.K. and Kempf, S. and Lebreton, J.-P. and Lorenz, R.D. and Martelli, A. and Orosei, R. and Petropoulos, A.E. and Reh, K. and Schmidt, J. and Sotin, C. and Srama, R. and Tobie, G. and Vorburger, A. and Vuitton, V. and Wong, A. and Zannoni, M. (2017) Explorer of Enceladus and Titan (E2T): investigating ocean worlds' evolution and habitability in the solar system. Planetary and Space Science. Elsevier. doi: 10.1016/j.pss.2017.11.001. ISSN 0032-0633.

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Official URL: http://www.sciencedirect.com/science/article/pii/S0032063317301447?via%3Dihub


Titan, with its organically rich and dynamic atmosphere and geology, and Enceladus, with its active plume, both harbouring global subsurface oceans, are prime environments in which to investigate the habitability of ocean worlds and the conditions for the emergence of life. We present a space mission concept, the Explorer of Enceladus and Titan (E2T), which is dedicated to investigating the evolution and habitability of These Saturnian satellites. E2T is proposed as a medium-class mission led by ESA in collaboration with NASA in response to ESA's M5 Cosmic Vision Call. E2T proposes a focused payload that would provide in-situ composition investigations and high-resolution imaging during multiple flybys of Enceladus and Titan using a solar-electric powered spacecraft in orbit around Saturn. The E2T mission would provide high-resolution mass spectrometry of the plume currently emanating from Enceladus' south polar terrain and of Titan's changing upper atmosphere. In addition, highresolution infrared (IR) imaging would detail Titan's geomorphology at 50-100 m resolution and the temperature of the fractures on Enceladus' south polar terrain at meter resolution. These combined measurements of both Titan and Enceladus would enable the E2T mission scenario to achieve two major scientific goals: 1) Study the origin and evolution of volatile-rich ocean worlds; and 2) Explore the habitability and potential for life in ocean worlds. E2T's two high-resolution time-of-flight mass spectrometers would enable resolution of the ambiguities in chemical analysis left by the NASA/ESA/ASI Cassini-Huygens mission regarding the identification of low-mass organic species, detect high-mass organic species for the first time, further constrain trace species such as the noble gases, and clarify the evolution of solid and volatile species. The high-resolution IR camera would reveal the geology of Titan's surface and the energy dissipated by Enceladus' fractured south polar terrain and plume in detail unattainable by the Cassini mission.

Item URL in elib:https://elib.dlr.de/118135/
Document Type:Article
Additional Information:Bisher nur online erschienen.
Title:Explorer of Enceladus and Titan (E2T): investigating ocean worlds' evolution and habitability in the solar system
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Mitri, G.LPG, Universite de Nantes; FranceUNSPECIFIED
Postberg, F.Institute for Earth Sciences, Heidelberg University, Im Neuenheimer Feld 236, 69120 Heidelberg, GermanyUNSPECIFIED
Wurz, P.University of Berne, Berne, SwitzerlandUNSPECIFIED
Tortora, P.Univ. BolognaUNSPECIFIED
Abel, B.University of Leipzig, GermanyUNSPECIFIED
Barnes, J.W.Department of Physics, University of Idaho, Moscow, ID, USAUNSPECIFIED
Berga, M.Thales Alenia Space, ItalyUNSPECIFIED
Carrasco, N.Univ Paris 06, Univ Versailles St Quentin, CNRS, LATMOS, F-78280 Guyancourt, FranceUNSPECIFIED
Coustenis, A.Laboratoire d’Etudes Spatiales et d’Instrumentation en Astrophysique (LESIA), Observatoire de Paris-Meudon, 92195 Meudon Cedex, FranceUNSPECIFIED
de Vera, Jean Pierre Pauljean-pierre.devera (at) dlr.deUNSPECIFIED
D'Ottavio, A.Thales Alenia Space, ItalyUNSPECIFIED
Ferri, F.University of Padova, Padova, ItalyUNSPECIFIED
Hayes, A.G.Cornell University, USAUNSPECIFIED
Hayne, P.O.JPL, California Institute of Technology, USAUNSPECIFIED
Hillier, J.K.University of Kent, UKUNSPECIFIED
Kempf, S.LASP, University of Colorado, USAUNSPECIFIED
Lebreton, J.-P.LPC2E, CNRS Orléans, FranceUNSPECIFIED
Lorenz, R.D.Space Department, Johns Hopkins University Applied Physics Lab, Maryland, USAUNSPECIFIED
Martelli, A.Thales Alenia Space, ItalyUNSPECIFIED
Petropoulos, A.E.JPL, California Institute of Technology, USAUNSPECIFIED
Reh, K.JPL, Caltech, Pasadena, USAUNSPECIFIED
Schmidt, J.University of Oulu, FinlandUNSPECIFIED
Sotin, C.Jet Propulsion Laboratory, Caltech, 4800 Oak Grove Drive, Pasadena, CA 91109, USAUNSPECIFIED
Srama, R.University of Stuttgart, GermanyUNSPECIFIED
Tobie, G.Laboratoire de Planétologie et Géodynamique, université de Nantes, FranceUNSPECIFIED
Vorburger, A.University of Bern, SwitzerlandUNSPECIFIED
Vuitton, V.University of Grenoble Alpes, CNRS, IPAG, FranceUNSPECIFIED
Wong, A.JPL, California Institute of Technology, USAUNSPECIFIED
Zannoni, M.University of Bologna, ItalyUNSPECIFIED
Journal or Publication Title:Planetary and Space Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.pss.2017.11.001
Keywords:Enceladus, Titan, Origin of volatiles, Habitability
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Vorhaben Planetary Evolution and Life (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Leitungsbereich PF
Deposited By: de Vera, Dr. Jean Pierre Paul
Deposited On:11 Jan 2018 12:53
Last Modified:01 Dec 2018 19:53

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