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Faster State Vector processing (SPG4/Skyfield vs ideal Keppler vs...) #253

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hornig opened this issue Dec 3, 2021 · 1 comment
Open

Faster State Vector processing (SPG4/Skyfield vs ideal Keppler vs...) #253

hornig opened this issue Dec 3, 2021 · 1 comment

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@hornig
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hornig commented Dec 3, 2021

the SGP4 Skyfield libs are really cool. Also they have more realistic models.
but they seem a bit slow by a magnitude.

So adding a faster state vector processing would be great! :)
@kerel-fs
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kerel-fs commented Dec 3, 2021 •
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Related:
@astrojuanlu published the "SPG4 implementations benchmark report" (full text) which describes an “Evaluation of available[open source] Python libraries for multi-satellite propagation” as part of a sub-activity of the OpenSatCom activity.

In this report a comparison of multiple SGP4 implementations is performed, specifically thoses:
Screenshot from 2021-12-03 23-53-14

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@hornig @kerel-fs