A comparison of generated ephemerides using specialk with various atmospheric models

Sara E. Sheffler, Alan M. Segerman, David Bradley Spencer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

In order to decrease errors associated with precision orbit determination, the U.S. Naval Research Laboratory (NRL) is developing a new atmospheric model, NRLMSIS (NRL Mass Spectrometer and Incoherent Scatter), which utilizes near-real time atmospheric data to generate a more accurate total density prediction. By integrating NRLMSIS into SpecialK, NRL's parallel processor orbit determination software, a space object's ephemeris can be generated with the refined atmospheric density as an input. This paper compares ephemerides generated by current atmospheric models used by SpecialK with results generated by SpecialK and a model similar to NRLMSIS. Although this study hoped to confirm NRL's hypothesis that NRLMSIS improves orbit determination, preliminary results are somewhat inconclusive.

Original languageEnglish (US)
Title of host publicationAIAA/AAS Astrodynamics Specialist Conference and Exhibit
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Print)9781624101243
StatePublished - Jan 1 2002
EventAIAA/AAS Astrodynamics Specialist Conference and Exhibit 2002 - Monterey, CA, United States
Duration: Aug 5 2002Aug 8 2002

Publication series

NameAIAA/AAS Astrodynamics Specialist Conference and Exhibit

Other

OtherAIAA/AAS Astrodynamics Specialist Conference and Exhibit 2002
CountryUnited States
CityMonterey, CA
Period8/5/028/8/02

Fingerprint

ephemerides
atmospheric models
orbit determination
mass spectrometers
atmospheric density
central processing units
computer programs
predictions

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics

Cite this

Sheffler, S. E., Segerman, A. M., & Spencer, D. B. (2002). A comparison of generated ephemerides using specialk with various atmospheric models. In AIAA/AAS Astrodynamics Specialist Conference and Exhibit (AIAA/AAS Astrodynamics Specialist Conference and Exhibit). American Institute of Aeronautics and Astronautics Inc..
Sheffler, Sara E. ; Segerman, Alan M. ; Spencer, David Bradley. / A comparison of generated ephemerides using specialk with various atmospheric models. AIAA/AAS Astrodynamics Specialist Conference and Exhibit. American Institute of Aeronautics and Astronautics Inc., 2002. (AIAA/AAS Astrodynamics Specialist Conference and Exhibit).
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Sheffler, SE, Segerman, AM & Spencer, DB 2002, A comparison of generated ephemerides using specialk with various atmospheric models. in AIAA/AAS Astrodynamics Specialist Conference and Exhibit. AIAA/AAS Astrodynamics Specialist Conference and Exhibit, American Institute of Aeronautics and Astronautics Inc., AIAA/AAS Astrodynamics Specialist Conference and Exhibit 2002, Monterey, CA, United States, 8/5/02.

A comparison of generated ephemerides using specialk with various atmospheric models. / Sheffler, Sara E.; Segerman, Alan M.; Spencer, David Bradley.

AIAA/AAS Astrodynamics Specialist Conference and Exhibit. American Institute of Aeronautics and Astronautics Inc., 2002. (AIAA/AAS Astrodynamics Specialist Conference and Exhibit).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - In order to decrease errors associated with precision orbit determination, the U.S. Naval Research Laboratory (NRL) is developing a new atmospheric model, NRLMSIS (NRL Mass Spectrometer and Incoherent Scatter), which utilizes near-real time atmospheric data to generate a more accurate total density prediction. By integrating NRLMSIS into SpecialK, NRL's parallel processor orbit determination software, a space object's ephemeris can be generated with the refined atmospheric density as an input. This paper compares ephemerides generated by current atmospheric models used by SpecialK with results generated by SpecialK and a model similar to NRLMSIS. Although this study hoped to confirm NRL's hypothesis that NRLMSIS improves orbit determination, preliminary results are somewhat inconclusive.

AB - In order to decrease errors associated with precision orbit determination, the U.S. Naval Research Laboratory (NRL) is developing a new atmospheric model, NRLMSIS (NRL Mass Spectrometer and Incoherent Scatter), which utilizes near-real time atmospheric data to generate a more accurate total density prediction. By integrating NRLMSIS into SpecialK, NRL's parallel processor orbit determination software, a space object's ephemeris can be generated with the refined atmospheric density as an input. This paper compares ephemerides generated by current atmospheric models used by SpecialK with results generated by SpecialK and a model similar to NRLMSIS. Although this study hoped to confirm NRL's hypothesis that NRLMSIS improves orbit determination, preliminary results are somewhat inconclusive.

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Sheffler SE, Segerman AM, Spencer DB. A comparison of generated ephemerides using specialk with various atmospheric models. In AIAA/AAS Astrodynamics Specialist Conference and Exhibit. American Institute of Aeronautics and Astronautics Inc. 2002. (AIAA/AAS Astrodynamics Specialist Conference and Exhibit).