Re: USA 326 flyby by Kosmos 2558

From: Allen Thomson via Seesat-l <>
Date: Sat, 6 Aug 2022 20:09:53 +0000 (UTC)
> I find a close approach to ~67 km, most of it (~64 km) in altitude, near 
14:16:27 UTC on August 4. It happened in daylight on a southbound trajectory 
over the Mid Atlantic, near approximately 42.3 N, 25.9 W

Can you calculate the sun-USA-Kosmos angle during the encounter? I.e., how illuminated by the sun was the US satellite as seen by the Russian one? Zero degrees would be fully illuminated, 180 fully shadowed (and have the Kosmos looking at the sun, which would be a bad idea).

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Received on Sat Aug 06 2022 - 15:10:58 UTC

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