Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 16.  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)
 04/17/2020   19:09:52   (   0.03,-137.17) (  -0.59,-134.25)  332.39                80
 04/18/2020   07:31:15   (  -0.03,-137.15) (  -0.52,-139.44)  260.73                80
 04/20/2020   07:16:24   (  -0.03,-137.13) (   0.12,-136.49)   73.27                80
 04/22/2020   07:04:11   (  -0.03,-137.11) (   0.71,-133.52)  406.81                80
 04/22/2020   19:25:26   (   0.02,-137.12) (   0.34,-138.69)  178.30                80
 04/24/2020   19:15:53   (   0.02,-137.09) (  -0.24,-135.73)  154.39                80
 04/25/2020   07:37:17   (  -0.02,-137.06) (  -0.86,-140.92)  439.04                80
 04/26/2020   19:03:42   (   0.02,-137.05) (  -0.89,-132.77)  486.08                80
 04/27/2020   07:25:05   (  -0.02,-137.02) (  -0.21,-137.97)  107.59                80
 04/29/2020   07:10:12   (  -0.01,-136.97) (   0.39,-135.00)  222.95                80
 04/29/2020   19:31:28   (   0.01,-136.97) (   0.67,-140.17)  363.24                80