Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 15.  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)
 09/16/2019   07:25:53   (  -0.01,-137.19) (  -0.17,-137.95)   86.25                80
 09/18/2019   07:11:02   (  -0.01,-137.20) (   0.43,-134.99)  250.78                80
 09/18/2019   19:32:17   (   0.02,-137.20) (   0.66,-140.15)  335.47                80
 09/20/2019   19:20:08   (   0.03,-137.20) (   0.00,-137.20)    2.39                80
 09/22/2019   19:10:37   (   0.03,-137.19) (  -0.59,-134.24)  335.50                80
 09/23/2019   07:32:00   (  -0.03,-137.19) (  -0.53,-139.43)  255.14                80
 09/25/2019   07:17:10   (  -0.03,-137.17) (   0.13,-136.48)   78.73                80
 09/27/2019   07:05:00   (  -0.02,-137.15) (   0.72,-133.52)  411.99                80
 09/27/2019   19:26:15   (   0.02,-137.14) (   0.37,-138.68)  175.43                80