Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 6 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)
 06/21/2020   07:28:43   (  -0.02,-137.20) (  -0.50,-139.44)  254.87                80
 06/23/2020   07:19:13   (  -0.02,-137.19) (   0.14,-136.49)   80.20                80
 06/25/2020   07:07:03   (  -0.02,-137.17) (   0.78,-133.53)  414.55                80
 06/25/2020   19:25:38   (   0.02,-137.17) (   0.37,-138.68)  172.45                80
 06/27/2020   19:16:08   (   0.01,-137.15) (  -0.28,-135.73)  161.33                80
 06/28/2020   07:34:53   (  -0.01,-137.14) (  -0.79,-140.93)  429.63                80
 06/29/2020   19:03:58   (   0.02,-137.12) (  -0.92,-132.77)  494.67                80
 06/30/2020   07:22:42   (  -0.01,-137.12) (  -0.21,-137.96)   96.40                80
 07/02/2020   07:13:12   (  -0.02,-137.08) (   0.44,-135.01)  236.08                80
 07/02/2020   19:31:48   (   0.01,-137.07) (   0.65,-140.17)  351.49                80
 07/04/2020   19:19:37   (   0.01,-137.03) (   0.06,-137.20)   20.12                80