Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 10 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)
 10/22/2019   19:22:52   (   0.01,-137.21) (   0.01,-137.21)    0.40                80
 10/24/2019   19:10:42   (   0.01,-137.21) (  -0.64,-134.25)  336.29                80
 10/25/2019   07:29:25   (  -0.01,-137.20) (  -0.48,-139.44)  255.07                80
 10/27/2019   07:17:13   (  -0.01,-137.19) (   0.11,-136.48)   80.42                80
 10/29/2019   07:05:02   (  -0.01,-137.17) (   0.76,-133.52)  415.16                80
 10/29/2019   19:26:18   (   0.01,-137.18) (   0.31,-138.68)  170.87                80
 10/31/2019   19:16:46   (   0.00,-137.16) (  -0.28,-135.72)  163.09                80
 11/01/2019   07:38:10   (  -0.00,-137.14) (  -0.83,-140.91)  428.67                80
 11/02/2019   19:04:35   (  -0.00,-137.13) (  -0.93,-132.77)  496.45                80
 11/03/2019   07:25:59   (   0.00,-137.12) (  -0.17,-137.96)   95.37                80