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Satellites plugin rounds observer elevation to 1000 meters #2848

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rkinnett opened this issue Nov 16, 2022 · 5 comments
Closed

Satellites plugin rounds observer elevation to 1000 meters #2848

rkinnett opened this issue Nov 16, 2022 · 5 comments
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@gzotti
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bug Something likely wrong in the code importance: low Small problem, rarely visible, no crash
Milestone
1.2

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@rkinnett
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The Satellites plugin appears to round the user's location elevation setting to the nearest 1000 meters which is very coarse. For low-Earth orbiting satellites at mid-elevation, this yields roughly 0.1 deg pointing error.

To reproduce, pause Stellarium, select a fast-moving LEO satellite, then change site elevation gradually between 0 to 999m and observe no change in satellite position, then increment to 1000m and observe discrete jump of roughly 0.1 deg, then no change between 1000 and 1999m and another jump at 2000m, etc.

Please consider rounding to nearest 1m or 10m or 100m instead of 1000m.

This will improve usefulness of Stellarium for planning observations of satellite transits of celestial objects, although it is understood that there are other limitations on satellite position accuracy.
@rkinnett rkinnett changed the title Satellites plugin rounds or floors observer location elevation to 1000 meters Satellites plugin rounds observer location elevation to 1000 meters Nov 16, 2022
@rkinnett rkinnett changed the title Satellites plugin rounds observer location elevation to 1000 meters Satellites plugin rounds observer elevation to 1000 meters Nov 16, 2022
@gzotti gzotti self-assigned this Nov 16, 2022
@gzotti gzotti added this to the 1.2 milestone Nov 16, 2022
@gzotti gzotti closed this as completed in b8d34ec Nov 16, 2022
@gzotti
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gzotti commented Nov 16, 2022

Thanks for noting this!

@gzotti gzotti added bug Something likely wrong in the code importance: low Small problem, rarely visible, no crash labels Nov 17, 2022
@rkinnett
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Thanks for quick resolution!

@alex-w alex-w added the state: published The fix has been published for testing in weekly binary package label Nov 20, 2022
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Hello @rkinnett!

Please check the fresh version (development snapshot) of Stellarium:
https://github.com/Stellarium/stellarium-data/releases/tag/weekly-snapshot

@alex-w alex-w removed the state: published The fix has been published for testing in weekly binary package label Dec 25, 2022
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Hello @rkinnett!

Please check the latest stable version of Stellarium:
https://github.com/Stellarium/stellarium/releases/latest

@rkinnett
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Confirmed working in Stellarium v1.2. Thanks!

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@gzotti gzotti

Labels
bug Something likely wrong in the code importance: low Small problem, rarely visible, no crash
Milestone
1.2
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@alex-w @gzotti @rkinnett