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Position measurements of Phobos shadows in HRSC and MOC images and implications for the Phobos orbit

Willner, Konrad and Bendig, Juliane and Oberst, Jürgen and Wählisch, Marita and Matz, Klaus-Dieter and Roatsch, Thomas (2006) Position measurements of Phobos shadows in HRSC and MOC images and implications for the Phobos orbit. First European Planetary Science Conference, 2006-09-18 - 2006-09-22, Berlin, Germany.

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Abstract

Discrepancies between orbit models and observed Phobos positions have renewed the interest in studies of the orbit evolution of this small Martian satellite. Hence, we have analyzed observations of Phobos' shadow on the ground to obtain more constraints on the current orbit of Phobos. Unlike direct observations of Phobos during spacecraft flybys, observations of the shadow position with respect to adjacent surface features at a given time do not suffer from uncertainties in the spacecraft orbit and pointing data. We evaluated shadow observations of HRSC (High Resolution Stereo Camera) on Mars Express, as well as those by MOC ( Mars Orbiter Camera) on Mars Global Surveyor.

Document Type:Conference or Workshop Item (Poster)
Title:Position measurements of Phobos shadows in HRSC and MOC images and implications for the Phobos orbit
Authors:
AuthorsInstitution or Email of Authors
Willner, KonradUNSPECIFIED
Bendig, JulianeUNSPECIFIED
Oberst, JürgenUNSPECIFIED
Wählisch, MaritaUNSPECIFIED
Matz, Klaus-DieterUNSPECIFIED
Roatsch, ThomasUNSPECIFIED
Date:September 2006
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:HRSC, Phobos, orbit, shadow, MOC, Mars Express, Mars Global Surveyor, orbit model
Event Title:First European Planetary Science Conference
Event Location:Berlin, Germany
Event Type:international Conference
Event Dates:2006-09-18 - 2006-09-22
Organizer:Copernicus.org
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Projekt MARS-EXPRESS / HRSC (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geodesy
Deposited By: Konrad Willner
Deposited On:09 Jun 2008
Last Modified:27 Apr 2009 13:16

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