Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 20.  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)
 06/21/2019   07:16:42   (   0.02,-137.18) (   0.19,-136.50)   77.75                80
 06/23/2019   07:04:32   (   0.03,-137.17) (   0.80,-133.54)  412.19                80
 06/23/2019   19:25:47   (  -0.03,-137.18) (   0.28,-138.70)  173.19                80
 06/25/2019   19:16:16   (  -0.04,-137.16) (  -0.32,-135.74)  160.99                80
 06/26/2019   07:37:40   (   0.03,-137.14) (  -0.80,-140.93)  430.79                80
 06/27/2019   19:04:06   (  -0.04,-137.13) (  -0.99,-132.79)  494.64                80
 06/28/2019   07:25:30   (   0.03,-137.12) (  -0.13,-137.98)   97.40                80
 06/30/2019   07:10:39   (   0.03,-137.08) (   0.49,-135.02)  235.19                80
 06/30/2019   19:31:55   (  -0.03,-137.08) (   0.60,-140.18)  351.50                80
 07/02/2019   19:19:44   (  -0.03,-137.03) (  -0.01,-137.22)   20.26                80