Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 10 3.  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)
 10/04/2019   07:11:06   (   0.00,-137.18) (   0.45,-135.00)  247.83                80
 10/04/2019   19:32:22   (  -0.00,-137.18) (   0.63,-140.16)  339.52                80
 10/06/2019   19:20:11   (   0.00,-137.15) (   0.01,-137.20)    5.68                80
 10/08/2019   19:10:40   (   0.00,-137.13) (  -0.61,-134.25)  327.80                80
 10/09/2019   07:32:04   (  -0.01,-137.13) (  -0.50,-139.44)  262.71                80
 10/11/2019   07:17:13   (  -0.00,-137.10) (   0.12,-136.48)   70.26                80
 10/13/2019   07:05:02   (  -0.00,-137.06) (   0.75,-133.52)  402.77                80
 10/13/2019   19:26:18   (   0.00,-137.05) (   0.33,-138.68)  185.18                80
 10/15/2019   19:16:47   (   0.00,-137.01) (  -0.30,-135.73)  146.61                80
 10/16/2019   07:38:11   (  -0.00,-137.00) (  -0.81,-140.92)  444.24                80