Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 19.  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)
 06/19/2019   07:31:32   (   0.01,-137.19) (  -0.50,-139.45)  257.20                80
 06/21/2019   07:16:42   (   0.03,-137.18) (   0.16,-136.50)   77.52                80
 06/23/2019   07:04:32   (   0.04,-137.17) (   0.83,-133.55)  412.04                80
 06/23/2019   19:25:47   (  -0.04,-137.17) (   0.31,-138.70)  173.55                80
 06/25/2019   19:16:17   (  -0.04,-137.16) (  -0.36,-135.75)  160.64                80
 06/26/2019   07:37:41   (   0.04,-137.14) (  -0.77,-140.93)  430.96                80
 06/27/2019   19:04:06   (  -0.04,-137.13) (  -0.97,-132.79)  494.26                80
 06/28/2019   07:25:30   (   0.04,-137.12) (  -0.16,-137.97)   97.58                80
 06/30/2019   07:10:39   (   0.04,-137.08) (   0.46,-135.01)  234.98                80
 06/30/2019   19:31:55   (  -0.03,-137.08) (   0.63,-140.17)  351.92                80
 07/02/2019   19:19:44   (  -0.04,-137.03) (   0.02,-137.21)   20.64                80