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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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|
|In ISI Web of Science:||No|
|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|
|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)|
|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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