Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 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)
 04/25/2019   07:24:59   (  -0.01,-137.17) (  -0.19,-137.96)   90.06                80
 04/27/2019   07:10:07   (  -0.01,-137.16) (   0.46,-135.01)  244.61                80
 04/27/2019   19:31:22   (   0.01,-137.19) (   0.64,-140.16)  337.66                80
 04/29/2019   19:19:10   (   0.01,-137.18) (  -0.01,-137.21)    3.88                80
 05/01/2019   19:09:37   (   0.01,-137.16) (  -0.59,-134.25)  330.49                80
 05/02/2019   07:31:00   (  -0.01,-137.11) (  -0.51,-139.44)  264.70                80
 05/04/2019   07:16:08   (  -0.01,-137.08) (   0.14,-136.49)   68.40                80
 05/06/2019   07:03:56   (  -0.01,-137.04) (   0.74,-133.52)  400.58                80
 05/06/2019   19:25:10   (   0.01,-137.07) (   0.37,-138.68)  183.25                80
 05/08/2019   19:15:38   (   0.02,-137.02) (  -0.29,-135.73)  147.79                80