Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 28.  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)
 07/28/2019   07:37:49   (  -0.01,-137.20) (  -0.80,-140.91)  421.80                80
 07/30/2019   07:25:39   (  -0.01,-137.19) (  -0.16,-137.96)   87.05                80
 08/01/2019   07:10:49   (  -0.00,-137.17) (   0.48,-135.00)  246.88                80
 08/01/2019   19:34:44   (   0.01,-137.17) (   0.67,-140.15)  339.32                80
 08/03/2019   19:22:34   (   0.00,-137.15) (   0.04,-137.20)    6.52                80
 08/05/2019   19:07:44   (  -0.00,-137.12) (  -0.59,-134.24)  327.05                80
 08/06/2019   07:31:48   (  -0.00,-137.11) (  -0.49,-139.44)  264.61                80
 08/08/2019   07:16:59   (  -0.00,-137.08) (   0.14,-136.49)   67.81                80
 08/10/2019   07:04:49   (  -0.00,-137.04) (   0.76,-133.53)  399.56                80
 08/10/2019   19:28:44   (   0.01,-137.04) (   0.34,-138.69)  187.35                80