Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 13.  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)
 04/13/2020   07:10:21   (  -0.03,-137.19) (   0.42,-135.00)  248.48                80
 04/13/2020   19:31:36   (   0.03,-137.21) (   0.63,-140.17)  336.06                80
 04/15/2020   19:19:25   (   0.02,-137.19) (  -0.00,-137.21)    3.70                80
 04/17/2020   19:09:52   (   0.02,-137.17) (  -0.57,-134.25)  331.81                80
 04/18/2020   07:31:16   (  -0.02,-137.14) (  -0.48,-139.45)  261.51                80
 04/20/2020   07:16:23   (  -0.02,-137.12) (   0.10,-136.48)   72.04                80
 04/22/2020   07:04:12   (  -0.02,-137.10) (   0.73,-133.53)  405.06                80
 04/22/2020   19:25:26   (   0.02,-137.11) (   0.38,-138.68)  180.18                80
 04/24/2020   19:15:54   (   0.02,-137.07) (  -0.26,-135.73)  152.04                80
 04/25/2020   07:37:18   (  -0.01,-137.04) (  -0.85,-140.92)  441.44                80
 04/26/2020   19:03:42   (   0.01,-137.03) (  -0.89,-132.78)  483.27                80