Determining rotational elements of planetary bodies

Burmeister, S.

doi:10.14279/depositonce-5796

Cited by 2 publications

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“…Secondly the implementation is optimized for very large data sets (i.e. MESSENGERS Mercury observations) by making use of sparse matrix and iterative inversion techniques (Burmeister, 2017). The rotation model of a body is of great interest since it reveals interactions with other bodies and can be used to infer its moments of inertia.…”

Section: Discussionmentioning

confidence: 99%

Determination of Phobos’ rotational parameters by an inertial frame bundle block adjustment

Burmeister

Willner

Schmidt

et al. 2018

J Geod

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A functional model for a bundle block adjustment in the inertial reference frame was developed, implemented and tested. This approach enables the determination of rotation parameters of planetary bodies on the basis of photogrammetric observations. Tests with a self-consistent synthetic data set showed that the implementation converges reliably towards the expected values of the introduced unknown parameters of the adjustment, e.g. spin pole orientation, and that it can cope with typical observational errors in the data. We applied the model to a data set of Phobos using images from the Mars Express and the Viking mission. With Phobos being in a locked rotation we computed a forced libration amplitude of 1.14 • ± 0.03 • together with a control point network of 685 points.

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Section: Discussionmentioning

confidence: 99%

Determination of Phobos’ rotational parameters by an inertial frame bundle block adjustment

Burmeister

Willner

Schmidt

et al. 2018

J Geod

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Bundle Adjustment of Spaceborne Double-Camera Push-Broom Imagers and Its Application to Lroc Nac Imagery

Haase

Gläser

Oberst

2019

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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<p><strong>Abstract.</strong> The TU Berlin group of the Lunar Reconnaissance Orbiter Camera (LROC) team has implemented a Bundle Adjustment (BA) for spaceborne multi-lenses line scan imagers, by rigorously modeling the geometric properties of the image acquisition. The BA was applied to stereo image sets of the LROC Narrow Angle Camera (NAC) and first results show, that the overall geometry of the stereo models were significantly improved. Ray intersection accuracies of initially up to several meters were homogenized within the integrated stereo models and improved to 0.14&thinsp;m on average. The mean point error of the adjusted 3D object points was estimated by the BA to be 0.95&thinsp;m. The inclusion of available Lunar Orbiter Laser Altimeter (LOLA) shots as 3D ground control to the BA, accurately tied to the image space by an aforegoing co-registration, allowed to register the final adjusted NAC DTM to the currently most accurate global lunar reference frame. The BA also provides accuracy assessments of the individual LOLA tracks used for georeference during the adjustment, which will be useful to further assess LOLA derived products.</p>

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Determining rotational elements of planetary bodies

Cited by 2 publications

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Determination of Phobos’ rotational parameters by an inertial frame bundle block adjustment

Determination of Phobos’ rotational parameters by an inertial frame bundle block adjustment

Bundle Adjustment of Spaceborne Double-Camera Push-Broom Imagers and Its Application to Lroc Nac Imagery

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