Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 8 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)
 08/12/2020   07:07:18   (   0.01,-137.18) (   0.77,-133.51)  417.14                80
 08/12/2020   19:25:53   (  -0.01,-137.18) (   0.29,-138.67)  168.33                80
 08/14/2020   19:13:41   (   0.02,-137.19) (  -0.28,-135.70)  169.02                80
 08/15/2020   07:37:46   (  -0.01,-137.18) (  -0.79,-140.90)  422.07                80
 08/17/2020   07:25:35   (  -0.00,-137.18) (  -0.15,-137.94)   86.60                80
 08/19/2020   07:10:44   (  -0.00,-137.16) (   0.48,-134.98)  248.39                80
 08/19/2020   19:31:59   (   0.00,-137.16) (   0.64,-140.13)  337.78                80
 08/21/2020   19:19:48   (  -0.00,-137.14) (   0.01,-137.17)    3.32                80
 08/23/2020   19:10:17   (  -0.00,-137.12) (  -0.63,-134.22)  330.61                80
 08/24/2020   07:31:41   (   0.00,-137.11) (  -0.49,-139.40)  260.83                80