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Application of Semi-analytical Satellite Theory Orbit Propagator to Orbit Determination for Space Object Catalog Maintenance

Setty, Srinivas and Cefola, Paul and Montenbruck, Oliver and Fiedler, Hauke (2016) Application of Semi-analytical Satellite Theory Orbit Propagator to Orbit Determination for Space Object Catalog Maintenance. Advances in Space Research, 57, pp. 2218-2233. Elsevier. doi: 10.1016/j.asr.2016.02.028. ISSN 0273-1177.

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Catalog maintenance for Space Situational Awareness (SSA) demands an accurate and computationally lean orbit propagation and orbit determination technique to cope with the ever increasing number of observed space objects. As an alternative to established numerical and analytical methods, we investigate the accuracy and computational load of the Draper Semi-analytical Satellite Theory (DSST). The standalone version of the DSST was enhanced with additional perturbation models to improve its recovery of short periodic motion. The accuracy of DSST is, for the first time, compared to a numerical propagator with fidelity force models for a comprehensive grid of low, medium, and high altitude orbits with varying eccentricity and different inclinations. Furthermore, the run-time of both propagators is compared as a function of propagation arc, output step size and gravity field order to assess its performance for a full range of relevant use cases. For use in orbit determination, a robust performance of DSST is demonstrated even in the case of sparse observations, which is most sensitive to mismodeled short periodic perturbations. Overall, DSST is shown to exhibit adequate accuracy at favorable computational speed for the full set of orbits that need to be considered in space surveillance. Along with the inherent benefits of a semianalytical orbit representation, DSST provides an attractive alternative to the more common numerical orbit propagation techniques.

Item URL in elib:https://elib.dlr.de/109768/
Document Type:Article
Title:Application of Semi-analytical Satellite Theory Orbit Propagator to Orbit Determination for Space Object Catalog Maintenance
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Setty, SrinivasSrinivas.Setty (at) dlr.deUNSPECIFIED
Cefola, Paulastrodynamics consultant, colarado buffalo. usaUNSPECIFIED
Montenbruck, OliverOliver.Montenbruck (at) dlr.dehttps://orcid.org/0000-0003-4783-745X
Fiedler, HaukeHauke.Fiedler (at) dlr.deUNSPECIFIED
Journal or Publication Title:Advances in Space Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.asr.2016.02.028
Page Range:pp. 2218-2233
Keywords:Orbit propagator, DSST, orbit determination
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Aufbau und Aktualisierung eines DLR-Katalogs für Raumfahrtrückstande (Space Debris) (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Fiedler, Dr. Hauke
Deposited On:20 Dec 2016 10:49
Last Modified:06 Sep 2019 15:27

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