Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 8 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 08/28/2020   07:07:26   (   0.02,-137.20) (   0.77,-133.52)  417.73                80
 08/28/2020   19:26:02   (  -0.02,-137.20) (   0.31,-138.68)  168.87                80
 08/30/2020   19:16:32   (  -0.03,-137.20) (  -0.34,-135.73)  167.17                80
 08/31/2020   07:37:57   (   0.03,-137.20) (  -0.73,-140.93)  422.96                80
 09/02/2020   07:25:46   (   0.03,-137.20) (  -0.14,-137.97)   87.02                80
 09/04/2020   07:10:56   (   0.03,-137.20) (   0.52,-135.02)  248.67                80
 09/04/2020   19:32:11   (  -0.03,-137.19) (   0.63,-140.16)  338.26                80
 09/06/2020   19:20:01   (  -0.03,-137.18) (  -0.03,-137.21)    3.49                80
 09/08/2020   19:10:30   (  -0.02,-137.17) (  -0.63,-134.25)  331.08                80
 09/09/2020   07:31:54   (   0.02,-137.16) (  -0.49,-139.44)  259.39                80