Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 29.  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)
 09/29/2019   19:14:04   (   0.01,-137.20) (  -0.30,-135.72)  168.22                80
 09/30/2019   07:38:08   (  -0.01,-137.21) (  -0.82,-140.91)  421.69                80
 10/02/2019   07:25:57   (  -0.03,-137.20) (  -0.20,-137.95)   85.77                80
 10/04/2019   07:13:46   (  -0.03,-137.19) (   0.42,-135.00)  249.26                80
 10/04/2019   19:32:22   (   0.02,-137.19) (   0.67,-140.15)  337.94                80
 10/06/2019   19:20:11   (   0.03,-137.17) (   0.05,-137.20)    3.96                80
 10/08/2019   19:10:40   (   0.03,-137.15) (  -0.57,-134.24)  330.57                80
 10/09/2019   07:29:23   (  -0.03,-137.15) (  -0.54,-139.43)  259.94                80
 10/11/2019   07:19:53   (  -0.03,-137.13) (   0.08,-136.47)   73.73                80