Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2020   06:27:01   (  -0.26,-128.17) (   0.60,-124.23)  448.24                80
 04/28/2020   18:48:16   (   0.25,-128.21) (   0.51,-129.39)  134.25                80
 04/30/2020   18:38:44   (   0.25,-128.23) (  -0.14,-126.44)  204.31                80
 05/01/2020   07:00:07   (  -0.24,-128.21) (  -0.96,-131.63)  388.51                80
 05/03/2020   06:47:55   (  -0.24,-128.23) (  -0.30,-128.68)   50.49                80
 05/05/2020   06:33:02   (  -0.24,-128.25) (   0.30,-125.72)  287.52                80
 05/05/2020   18:54:17   (   0.23,-128.27) (   0.81,-130.87)  296.01                80
 05/07/2020   18:44:45   (   0.23,-128.29) (   0.15,-127.92)   41.34                80
 05/09/2020   18:32:32   (   0.23,-128.29) (  -0.45,-124.96)  378.06                80
 05/10/2020   06:53:56   (  -0.22,-128.27) (  -0.64,-130.16)  214.74                80