Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 26.  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)
 07/26/2021   07:29:03   (   0.01,-137.15) (  -0.44,-139.44)  259.19                80
 07/28/2021   07:19:32   (   0.02,-137.13) (   0.14,-136.47)   74.52                80
 07/30/2021   07:07:22   (   0.02,-137.11) (   0.79,-133.52)  408.03                80
 07/30/2021   19:25:58   (  -0.02,-137.12) (   0.28,-138.68)  177.56                80
 08/01/2021   19:16:27   (  -0.01,-137.09) (  -0.31,-135.72)  155.37                80
 08/02/2021   07:35:10   (   0.01,-137.06) (  -0.83,-140.91)  437.41                80
 08/03/2021   19:04:16   (   0.01,-137.05) (  -0.90,-132.76)  487.75                80
 08/04/2021   07:25:39   (  -0.02,-137.02) (  -0.23,-137.94)  104.90                80
 08/06/2021   07:10:50   (  -0.01,-136.98) (   0.43,-134.99)  225.84                80
 08/06/2021   19:32:04   (   0.01,-136.98) (   0.71,-140.14)  360.57                80
 08/08/2021   19:19:54   (   0.00,-136.92) (   0.04,-137.19)   30.43                80