Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 19.  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)
 03/19/2021   19:07:26   (   0.04,-137.21) (  -0.62,-134.22)  339.64                80
 03/20/2021   07:31:30   (  -0.04,-137.20) (  -0.50,-139.41)  251.92                80
 03/22/2021   07:16:38   (  -0.04,-137.18) (   0.11,-136.46)   81.94                80
 03/24/2021   07:04:26   (  -0.03,-137.15) (   0.71,-133.50)  415.11                80
 03/24/2021   19:25:42   (   0.03,-137.15) (   0.35,-138.66)  171.44                80
 03/26/2021   19:16:10   (   0.03,-137.12) (  -0.26,-135.70)  161.11                80
 03/27/2021   07:37:34   (  -0.03,-137.11) (  -0.86,-140.89)  430.90                80
 03/28/2021   19:03:58   (   0.03,-137.09) (  -0.87,-132.75)  493.23                80
 03/29/2021   07:25:22   (  -0.03,-137.07) (  -0.24,-137.94)   98.96                80
 03/31/2021   07:10:31   (  -0.03,-137.03) (   0.43,-134.99)  232.42                80
 03/31/2021   19:31:46   (   0.03,-137.02) (   0.69,-140.14)  354.86                80