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OKEANOS - Jupiter Trojan Asteroid Rendezvous and Landing Mission using the Solar Power Sail

Okada, T. and et, al and Ulamec, Stephan (2018) OKEANOS - Jupiter Trojan Asteroid Rendezvous and Landing Mission using the Solar Power Sail. COSPAR, 14. - 22. Juli 2018, Pasadena, USA.

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OKEANOS (Oversize Kite-craft for Exploration and AstroNautics in the Outer Solar system) is the future mission under study to cruise to the outer solar system using a large-area solar power sail, and to rendezvous with and land on a Jupiter Trojan asteroid for in-depth study there. Jupiter Trojans are the key targets to be explored, because they are mainly volatilerich D/P type asteroids, located beyond the water ice snow line, and possibly originated from the EKBO scattered due to planetary migration. The conditions and materials that were lost in the inner solar system should be preserved there. This mission aims at investigating the origin and evolution of Jupiter Trojans and their materials by direct microscopy and mass spectroscopy of the collected samples. Geologic context of the landing site and the surrounding area will be observed with imaging, NIR and X-ray spectroscopy, and radiometry. The landing site will be selected by global mapping of imagery, NIR and TIR imaging spectroscopy, and ground penetrating radar to understand the global shape, surface geology, mineralogy, degree of hydration, thermo-physical properties, and so on. Gravity (or porosity) and magnetic property of the bulk asteroid to study the interior structure will be also measured by Doppler shifts and magnetic field measurements. Current activity of dust ejection and volatile eruption will be also measured. The details of the mission and instrumentation will be presented.

Item URL in elib:https://elib.dlr.de/122327/
Document Type:Conference or Workshop Item (Speech)
Title:OKEANOS - Jupiter Trojan Asteroid Rendezvous and Landing Mission using the Solar Power Sail
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Okada, T.Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, JapanUNSPECIFIED
Ulamec, StephanStephan.Ulamec (at) dlr.deUNSPECIFIED
Date:14 July 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:OKEANOS, Trojan Asteroid, Solar Power Sail
Event Title:COSPAR
Event Location:Pasadena, USA
Event Type:international Conference
Event Dates:14. - 22. Juli 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):Vorhaben asteroids and comets
Location: Köln-Porz
Institutes and Institutions:Space Operations and Astronaut Training > User center for space experiments (MUSC)
Deposited By: Herrmann, Astrid
Deposited On:20 Nov 2018 14:53
Last Modified:20 Nov 2018 14:53

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