G0KLA Track will show you visually which satellites are in sun vs eclipse if you click the little sun icon. You can see all your selected satellites for the next 2 days. It is very low overhead so I just run it in parallel with the program I am using to steer the antenna. It is best used as a forecast of upcoming passes rather than as a view of a pass in progress. There is an example of the sun/eclipse view on this page: https://www.g0kla.com/klatrack/index.php

Chris

On Wed, Dec 23, 2020 at 6:50 AM <kk4yel@gmail.com> wrote:

MacDoppler has several ways:
The actual satellite sphere (which is artificially larger than scale for practical reasons) is grey when it is in eclipse - no sunshine. When it is illuminated by the sun and not eclipsed by the earth the satellite is shown as yellow.
There is also a column named Eclipse which will display Sun if the satellite is illuminated by the Sun, else Drk.

-Kevin (KK4YEL)

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