Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 26.  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)
 04/27/2020   07:25:06   (  -0.03,-137.20) (  -0.18,-137.97)   87.75                80
 04/29/2020   07:10:14   (  -0.03,-137.20) (   0.47,-135.02)  248.29                80
 04/29/2020   19:31:29   (   0.02,-137.20) (   0.64,-140.18)  338.15                80
 05/01/2020   19:19:16   (   0.02,-137.19) (   0.05,-137.21)    4.36                80
 05/03/2020   19:09:44   (   0.02,-137.18) (  -0.60,-134.26)  331.91                80
 05/04/2020   07:31:07   (  -0.01,-137.18) (  -0.50,-139.46)  258.96                80
 05/06/2020   07:16:14   (  -0.01,-137.16) (   0.10,-136.49)   75.40                80
 05/08/2020   07:04:03   (  -0.01,-137.14) (   0.76,-133.54)  408.92                80
 05/08/2020   19:25:17   (   0.01,-137.13) (   0.35,-138.70)  178.34                80