Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 3 30.  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)
 04/01/2020   19:09:58   (   0.02,-137.21) (  -0.61,-134.24)  338.42                80
 04/02/2020   07:31:22   (  -0.02,-137.20) (  -0.50,-139.43)  253.26                80
 04/04/2020   07:16:29   (  -0.02,-137.19) (   0.11,-136.47)   81.36                80
 04/06/2020   07:04:17   (  -0.01,-137.17) (   0.78,-133.52)  415.47                80
 04/06/2020   19:25:32   (   0.01,-137.17) (   0.32,-138.67)  170.63                80
 04/08/2020   19:15:59   (   0.01,-137.15) (  -0.29,-135.71)  163.12                80
 04/09/2020   07:37:23   (  -0.01,-137.13) (  -0.81,-140.91)  428.63                80
 04/10/2020   19:03:46   (   0.02,-137.12) (  -0.90,-132.75)  496.23                80
 04/11/2020   07:25:10   (  -0.02,-137.10) (  -0.19,-137.95)   95.73                80
 04/13/2020   07:10:17   (  -0.02,-137.06) (   0.43,-134.99)  236.44                80
 04/13/2020   19:31:32   (   0.02,-137.06) (   0.68,-140.14)  350.62                80