Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 7 10.  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)
 07/11/2020   07:07:10   (   0.00,-137.20) (   0.80,-133.53)  416.94                80
 07/11/2020   19:25:46   (  -0.00,-137.20) (   0.28,-138.69)  168.76                80
 07/13/2020   19:16:15   (   0.00,-137.20) (  -0.32,-135.73)  167.46                80
 07/14/2020   07:34:59   (  -0.00,-137.20) (  -0.81,-140.92)  423.54                80
 07/16/2020   07:22:48   (  -0.01,-137.19) (  -0.21,-137.95)   88.15                80
 07/18/2020   07:10:38   (  -0.02,-137.17) (   0.46,-135.00)  246.22                80
 07/18/2020   19:31:54   (   0.01,-137.17) (   0.62,-140.16)  340.30                80
 07/20/2020   19:19:43   (   0.01,-137.14) (   0.02,-137.20)    7.24                80
 07/22/2020   19:10:12   (   0.00,-137.10) (  -0.59,-134.24)  325.27                80
 07/23/2020   07:31:37   (  -0.00,-137.09) (  -0.47,-139.44)  266.43                80