Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 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)
 07/28/2021   07:16:52   (   0.01,-137.19) (   0.17,-136.48)   80.96                80
 07/30/2021   07:04:42   (   0.01,-137.20) (   0.82,-133.53)  418.21                80
 07/30/2021   19:25:57   (  -0.02,-137.21) (   0.32,-138.68)  167.15                80
 08/01/2021   19:16:27   (  -0.01,-137.22) (  -0.33,-135.73)  169.48                80
 08/02/2021   07:37:51   (   0.01,-137.21) (  -0.81,-140.91)  421.60                80
 08/04/2021   07:25:41   (  -0.00,-137.20) (  -0.15,-137.96)   85.84                80
 08/06/2021   07:10:50   (  -0.01,-137.19) (   0.45,-135.00)  249.14                80
 08/06/2021   19:32:06   (   0.01,-137.19) (   0.62,-140.16)  337.12                80
 08/08/2021   19:19:55   (   0.00,-137.17) (   0.02,-137.20)    3.60                80
 08/10/2021   19:10:25   (  -0.00,-137.15) (  -0.64,-134.25)  330.24                80