Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking Data

The deep space orbit determination software (DSODS) is a part of a flight dynamic subsystem (FDS) for the Korean Pathfinder Lunar Orbiter (KPLO), a lunar exploration mission expected to launch after 2018. The DSODS consists of several sub modules, of which the orbit determination (OD) module emplo...

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Main Authors: Eunji Lee, Youngkwang Kim, Minsik Kim, Sang-Young Park
Format: Article
Language:English
Published: The Korean Space Science Society 2017-09-01
Series:Journal of Astronomy and Space Sciences
Subjects:
Online Access:http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2017/v34n3/OJOOBS_2017_v34n3_213.pdf
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author Eunji Lee
Youngkwang Kim
Minsik Kim
Sang-Young Park
author_facet Eunji Lee
Youngkwang Kim
Minsik Kim
Sang-Young Park
author_sort Eunji Lee
collection DOAJ
description The deep space orbit determination software (DSODS) is a part of a flight dynamic subsystem (FDS) for the Korean Pathfinder Lunar Orbiter (KPLO), a lunar exploration mission expected to launch after 2018. The DSODS consists of several sub modules, of which the orbit determination (OD) module employs a weighted least squares algorithm for estimating the parameters related to the motion and the tracking system of the spacecraft, and subroutines for performance improvement and detailed analysis of the orbit solution. In this research, DSODS is demonstrated and validated at lunar orbit at an altitude of 100 km using actual Lunar Prospector tracking data. A set of a priori states are generated, and the robustness of DSODS to the a priori error is confirmed by the NASA planetary data system (PDS) orbit solutions. Furthermore, the accuracy of the orbit solutions is determined by solution comparison and overlap analysis as about tens of meters. Through these analyses, the ability of the DSODS to provide proper orbit solutions for the KPLO are proved.
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spelling doaj.art-9d16a12d484d44e79dbcd693ebd855512024-01-02T08:45:22ZengThe Korean Space Science SocietyJournal of Astronomy and Space Sciences2093-55872093-14092017-09-0134321322310.5140/JASS.2017.34.3.213Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking DataEunji Lee0Youngkwang Kim1Minsik Kim2Sang-Young Park3Department of Astronomy, Yonsei UniversityDepartment of Astronomy, Yonsei UniversityDepartment of Astronomy, Yonsei UniversityDepartment of Astronomy, Yonsei UniversityThe deep space orbit determination software (DSODS) is a part of a flight dynamic subsystem (FDS) for the Korean Pathfinder Lunar Orbiter (KPLO), a lunar exploration mission expected to launch after 2018. The DSODS consists of several sub modules, of which the orbit determination (OD) module employs a weighted least squares algorithm for estimating the parameters related to the motion and the tracking system of the spacecraft, and subroutines for performance improvement and detailed analysis of the orbit solution. In this research, DSODS is demonstrated and validated at lunar orbit at an altitude of 100 km using actual Lunar Prospector tracking data. A set of a priori states are generated, and the robustness of DSODS to the a priori error is confirmed by the NASA planetary data system (PDS) orbit solutions. Furthermore, the accuracy of the orbit solutions is determined by solution comparison and overlap analysis as about tens of meters. Through these analyses, the ability of the DSODS to provide proper orbit solutions for the KPLO are proved.http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2017/v34n3/OJOOBS_2017_v34n3_213.pdfKorea Pathfinder Lunar Orbiter (KPLO)deep space network (DSN)orbit determination (OD)Lunar Prospectordemonstrationvalidationstress testsolution comparison
spellingShingle Eunji Lee
Youngkwang Kim
Minsik Kim
Sang-Young Park
Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking Data
Journal of Astronomy and Space Sciences
Korea Pathfinder Lunar Orbiter (KPLO)
deep space network (DSN)
orbit determination (OD)
Lunar Prospector
demonstration
validation
stress test
solution comparison
title Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking Data
title_full Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking Data
title_fullStr Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking Data
title_full_unstemmed Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking Data
title_short Development, Demonstration and Validation of the Deep Space Orbit Determination Software Using Lunar Prospector Tracking Data
title_sort development demonstration and validation of the deep space orbit determination software using lunar prospector tracking data
topic Korea Pathfinder Lunar Orbiter (KPLO)
deep space network (DSN)
orbit determination (OD)
Lunar Prospector
demonstration
validation
stress test
solution comparison
url http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2017/v34n3/OJOOBS_2017_v34n3_213.pdf
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