Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 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)
 04/20/2019   07:04:05   (  -0.00,-137.18) (   0.80,-133.53)  415.01                80
 04/20/2019   19:25:20   (   0.00,-137.22) (   0.31,-138.69)  166.83                80
 04/22/2019   19:15:48   (   0.00,-137.21) (  -0.33,-135.73)  168.53                80
 04/23/2019   07:37:12   (  -0.01,-137.17) (  -0.78,-140.92)  426.32                80
 04/25/2019   07:24:59   (  -0.01,-137.15) (  -0.19,-137.96)   91.89                80
 04/27/2019   07:10:07   (   0.00,-137.13) (   0.45,-135.01)  241.90                80
 04/27/2019   19:31:21   (  -0.01,-137.16) (   0.65,-140.16)  341.48                80
 04/29/2019   19:19:10   (  -0.01,-137.14) (   0.01,-137.21)    7.90                80
 05/01/2019   19:09:38   (  -0.01,-137.11) (  -0.64,-134.26)  325.33                80
 05/02/2019   07:31:00   (   0.01,-137.07) (  -0.52,-139.44)  269.17                80