Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 13.  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)
 06/14/2019   07:10:33   (  -0.01,-137.20) (   0.43,-135.01)  247.89                80
 06/14/2019   19:31:49   (   0.01,-137.21) (   0.65,-140.17)  336.77                80
 06/16/2019   19:19:39   (   0.01,-137.21) (  -0.01,-137.22)    2.33                80
 06/18/2019   19:10:08   (   0.00,-137.20) (  -0.61,-134.26)  334.72                80
 06/19/2019   07:31:32   (  -0.01,-137.19) (  -0.51,-139.45)  257.01                80
 06/21/2019   07:16:42   (  -0.00,-137.18) (   0.16,-136.50)   77.79                80
 06/23/2019   07:04:31   (   0.01,-137.16) (   0.77,-133.54)  412.23                80
 06/23/2019   19:25:47   (  -0.00,-137.17) (   0.32,-138.70)  173.52                80
 06/25/2019   19:16:16   (  -0.00,-137.15) (  -0.29,-135.73)  160.55                80
 06/26/2019   07:37:40   (  -0.00,-137.14) (  -0.82,-140.92)  430.70                80