Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 6 20.  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)
 06/20/2020   19:09:59   (   0.02,-137.21) (  -0.58,-134.24)  336.21                80
 06/21/2020   07:28:43   (  -0.02,-137.20) (  -0.49,-139.44)  254.36                80
 06/23/2020   07:19:13   (  -0.02,-137.20) (   0.15,-136.49)   81.81                80
 06/25/2020   07:07:02   (  -0.02,-137.20) (   0.74,-133.52)  417.19                80
 06/25/2020   19:25:38   (   0.02,-137.20) (   0.35,-138.68)  169.15                80
 06/27/2020   19:16:08   (   0.02,-137.19) (  -0.30,-135.73)  165.70                80
 06/28/2020   07:34:52   (  -0.01,-137.18) (  -0.83,-140.92)  425.32                80
 06/30/2020   07:22:42   (  -0.02,-137.16) (  -0.18,-137.97)   91.03                80
 07/02/2020   07:13:11   (  -0.01,-137.14) (   0.41,-135.00)  242.51                80
 07/02/2020   19:31:47   (   0.01,-137.14) (   0.68,-140.16)  344.46                80