Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 5 25.  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)
 05/26/2020   19:15:50   (   0.02,-137.21) (  -0.28,-135.72)  169.29                80
 05/27/2020   07:37:15   (  -0.01,-137.21) (  -0.78,-140.92)  420.89                80
 05/29/2020   07:25:04   (  -0.01,-137.21) (  -0.15,-137.96)   84.35                80
 05/31/2020   07:10:13   (  -0.01,-137.21) (   0.48,-135.00)  251.85                80
 05/31/2020   19:31:28   (   0.01,-137.21) (   0.66,-140.14)  334.57                80
 06/02/2020   19:21:57   (   0.01,-137.20) (   0.03,-137.19)    2.91                80
 06/04/2020   19:09:46   (  -0.00,-137.18) (  -0.61,-134.23)  335.69                80
 06/05/2020   07:31:10   (   0.00,-137.18) (  -0.44,-139.43)  255.07                80
 06/07/2020   07:18:58   (   0.01,-137.16) (   0.13,-136.46)   78.90                80