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)   86.43                80
 09/18/2019   07:11:03   (  -0.01,-137.20) (   0.48,-135.00)  250.41                80
 09/18/2019   19:32:19   (   0.02,-137.20) (   0.62,-140.16)  336.03                80
 09/20/2019   19:22:48   (   0.03,-137.20) (   0.03,-137.20)    0.88                80
 09/22/2019   19:10:38   (   0.03,-137.19) (  -0.61,-134.25)  334.53                80
 09/23/2019   07:32:02   (  -0.03,-137.19) (  -0.52,-139.43)  256.02                80
 09/25/2019   07:17:12   (  -0.03,-137.16) (   0.12,-136.48)   77.58                80
 09/27/2019   07:05:02   (  -0.01,-137.14) (   0.76,-133.53)  410.48                80
 09/27/2019   19:26:17   (   0.01,-137.13) (   0.35,-138.69)  177.17                80