Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 9 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)
 09/16/2020   07:35:23   (   0.04,-137.19) (  -0.74,-140.93)  424.83                80
 09/18/2020   07:23:12   (   0.04,-137.19) (  -0.13,-137.97)   88.99                80
 09/20/2020   07:13:41   (   0.04,-137.18) (   0.48,-135.01)  246.29                80
 09/20/2020   19:32:17   (  -0.04,-137.18) (   0.60,-140.17)  340.06                80
 09/22/2020   19:20:06   (  -0.04,-137.17) (  -0.01,-137.21)    6.09                80
 09/24/2020   19:10:35   (  -0.03,-137.14) (  -0.62,-134.25)  327.98                80
 09/25/2020   07:29:20   (   0.03,-137.13) (  -0.44,-139.45)  263.41                80
 09/27/2020   07:17:09   (   0.03,-137.11) (   0.17,-136.49)   69.89                80
 09/29/2020   07:04:58   (   0.02,-137.08) (   0.79,-133.54)  402.92                80
 09/29/2020   19:26:14   (  -0.02,-137.07) (   0.30,-138.69)  184.01                80