Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 5 4.  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)
 05/04/2019   07:16:18   (   0.01,-137.18) (   0.17,-136.49)   78.52                80
 05/06/2019   07:04:08   (   0.01,-137.18) (   0.77,-133.54)  414.12                80
 05/06/2019   19:25:24   (  -0.01,-137.21) (   0.32,-138.70)  169.62                80
 05/08/2019   19:15:55   (  -0.00,-137.20) (  -0.32,-135.75)  164.68                80
 05/09/2019   07:37:19   (   0.00,-137.17) (  -0.78,-140.94)  428.69                80
 05/10/2019   19:03:46   (   0.00,-137.18) (  -0.94,-132.80)  497.98                80
 05/11/2019   07:25:10   (  -0.00,-137.15) (  -0.16,-137.99)   95.71                80
 05/13/2019   07:10:22   (  -0.01,-137.12) (   0.43,-135.04)  236.63                80
 05/13/2019   19:31:37   (   0.01,-137.13) (   0.68,-140.20)  348.72                80
 05/15/2019   19:19:29   (   0.01,-137.11) (   0.06,-137.25)   16.97                80
 05/17/2019   19:10:01   (   0.01,-137.07) (  -0.55,-134.30)  314.38                80