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Taken purerly in ideal terms, a satellite that has no additional forces acting on it will keep doing whatever it was previously doing rotation wise, but that may in fact be a carefully set slow rotation that keeps an antenna or camera facing earth for comunications or earth science, or fixed if it was a telescope watching a distant star. So either of your ...


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To expand on @gremlinWrangler's mention of tidal effects radiation pressure YORP let's not forget Spacecraft Aerodynamic Torques NASA SP-8058, see also Passive Aerodynamic Stabilisation of Low Earth Orbit Satellite Bak, T. & Wisniewski, R., Spacecraft Guidance, Navigation and Control Systems, Proceedings of the 3rd ESA International Conference held ...


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After the discussion here I finally switched to measuring the integrated density of the complete sat trail, subtracted background noise and compared the result against the known star HD 211599 (mag 8.87). Here I also subtracted the background noise. The Excel formula is attached. For Starlink 29 I calculated a magnitude of 7.59 near the horizon. Nice :-)...


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The BBC News article Satellites to monitor whale strandings from space describes the use of the WordView-2 satellite to image mass standings of whales, and references the recent Open Access (non-paywalled) paper in PLOS ONE Using remote sensing to detect whale strandings in remote areas: The case of sei whales mass mortality in Chilean Patagonia which ...


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