Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 25.  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)
 06/25/2019   19:16:16   (  -0.02,-137.20) (  -0.30,-135.73)  166.55                80
 06/26/2019   07:37:41   (   0.02,-137.19) (  -0.76,-140.93)  424.57                80
 06/28/2019   07:25:30   (   0.02,-137.19) (  -0.15,-137.97)   88.62                80
 06/30/2019   07:10:39   (   0.01,-137.18) (   0.47,-135.01)  246.51                80
 06/30/2019   19:31:54   (  -0.01,-137.18) (   0.61,-140.17)  339.51                80
 07/02/2019   19:19:44   (  -0.01,-137.16) (  -0.01,-137.21)    5.76                80
 07/04/2019   19:10:13   (  -0.02,-137.13) (  -0.63,-134.25)  327.09                80
 07/05/2019   07:31:36   (   0.02,-137.12) (  -0.49,-139.44)  264.51                80
 07/07/2019   07:16:45   (   0.03,-137.08) (   0.13,-136.48)   67.79                80