Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 3 12.  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)
 03/12/2020   07:10:38   (   0.01,-137.20) (   0.47,-135.00)  249.57                80
 03/12/2020   19:31:53   (  -0.01,-137.22) (   0.63,-140.15)  334.30                80
 03/14/2020   19:22:21   (  -0.01,-137.22) (  -0.01,-137.20)    2.59                80
 03/16/2020   19:10:09   (  -0.00,-137.22) (  -0.65,-134.25)  338.77                80
 03/17/2020   07:31:32   (   0.00,-137.21) (  -0.46,-139.44)  253.72                80
 03/19/2020   07:16:40   (   0.00,-137.20) (   0.19,-136.49)   81.89                80
 03/21/2020   07:04:28   (   0.00,-137.19) (   0.77,-133.52)  417.06                80
 03/21/2020   19:25:42   (  -0.00,-137.21) (   0.33,-138.68)  167.76                80
 03/23/2020   19:16:10   (  -0.01,-137.19) (  -0.32,-135.72)  167.19                80
 03/24/2020   07:37:34   (   0.01,-137.18) (  -0.79,-140.92)  425.10                80