Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 10 21.  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)
 10/22/2020   07:13:43   (   0.03,-137.02) (   0.45,-134.99)  229.90                80
 10/22/2020   19:32:19   (  -0.03,-137.01) (   0.61,-140.16)  356.80                80
 10/24/2020   19:20:07   (  -0.02,-136.97) (   0.01,-137.19)   25.54                80
 10/26/2020   19:10:35   (  -0.02,-136.92) (  -0.59,-134.23)  305.55                80
 10/27/2020   07:31:59   (   0.02,-136.89) (  -0.52,-139.42)  286.94                80
 10/29/2020   07:19:47   (   0.02,-136.84) (   0.08,-136.45)   43.70                80
 10/31/2020   07:07:36   (   0.02,-136.78) (   0.74,-133.50)  373.68                80
 10/31/2020   19:26:11   (  -0.02,-136.77) (   0.40,-138.65)  213.61                80
 11/02/2020   19:16:40   (  -0.02,-136.71) (  -0.25,-135.70)  115.51                80
 11/03/2020   07:35:24   (   0.01,-136.68) (  -0.85,-140.89)  477.49                80