Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 3 18.  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)
 03/19/2020   07:16:40   (   0.02,-137.18) (   0.20,-136.49)   79.66                80
 03/21/2020   07:04:28   (  -0.00,-137.17) (   0.78,-133.52)  414.63                80
 03/21/2020   19:25:42   (   0.00,-137.19) (   0.32,-138.68)  169.60                80
 03/23/2020   19:16:10   (   0.01,-137.17) (  -0.33,-135.73)  164.80                80
 03/24/2020   07:37:34   (  -0.01,-137.14) (  -0.78,-140.92)  428.58                80
 03/25/2020   19:03:57   (   0.01,-137.15) (  -0.92,-132.76)  498.66                80
 03/26/2020   07:25:21   (  -0.01,-137.12) (  -0.19,-137.95)   94.86                80
 03/28/2020   07:10:28   (  -0.01,-137.09) (   0.41,-134.99)  238.21                80
 03/28/2020   19:31:44   (   0.02,-137.10) (   0.64,-140.16)  346.92                80
 03/30/2020   19:19:31   (   0.02,-137.06) (   0.05,-137.19)   15.02                80