Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 2 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)
 02/18/2020   07:07:20   (   0.02,-137.21) (   0.78,-133.51)  420.15                80
 02/18/2020   19:25:56   (  -0.02,-137.22) (   0.28,-138.68)  165.15                80
 02/20/2020   19:16:24   (  -0.02,-137.22) (  -0.33,-135.72)  170.58                80
 02/21/2020   07:35:08   (   0.03,-137.21) (  -0.78,-140.91)  421.21                80
 02/23/2020   07:22:56   (   0.02,-137.20) (  -0.15,-137.95)   85.77                80
 02/25/2020   07:13:24   (   0.02,-137.19) (   0.47,-134.99)  249.49                80
 02/25/2020   19:32:00   (  -0.03,-137.20) (   0.59,-140.16)  336.12                80
 02/27/2020   19:22:28   (  -0.02,-137.19) (  -0.03,-137.20)    1.75                80
 02/29/2020   19:10:16   (  -0.03,-137.17) (  -0.66,-134.25)  332.38                80
 03/01/2020   07:29:00   (   0.03,-137.15) (  -0.44,-139.44)  259.94                80