Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 22.  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)
 06/23/2019   07:04:31   (   0.02,-137.19) (   0.80,-133.54)  414.55                80
 06/23/2019   19:25:47   (  -0.02,-137.20) (   0.28,-138.70)  170.59                80
 06/25/2019   19:16:16   (  -0.03,-137.19) (  -0.33,-135.74)  164.61                80
 06/26/2019   07:37:40   (   0.03,-137.18) (  -0.80,-140.92)  426.91                80
 06/27/2019   19:04:05   (  -0.03,-137.17) (  -0.94,-132.78)  499.28                80
 06/28/2019   07:25:30   (   0.03,-137.16) (  -0.13,-137.98)   92.50                80
 06/30/2019   07:10:39   (   0.03,-137.13) (   0.49,-135.02)  241.10                80
 06/30/2019   19:31:54   (  -0.02,-137.13) (   0.65,-140.16)  345.28                80
 07/02/2019   19:19:44   (  -0.03,-137.10) (  -0.02,-137.22)   13.15                80
 07/04/2019   19:10:13   (  -0.04,-137.05) (  -0.64,-134.26)  318.47                80
 07/05/2019   07:31:37   (   0.04,-137.04) (  -0.48,-139.44)  273.41                80