Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 20.  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)
 04/20/2020   07:16:23   (  -0.03,-137.19) (   0.11,-136.49)   79.91                80
 04/22/2020   07:04:11   (  -0.03,-137.19) (   0.75,-133.53)  416.43                80
 04/22/2020   19:25:26   (   0.03,-137.21) (   0.35,-138.69)  168.73                80
 04/24/2020   19:15:54   (   0.03,-137.20) (  -0.29,-135.74)  166.90                80
 04/25/2020   07:37:18   (  -0.03,-137.19) (  -0.82,-140.93)  424.96                80
 04/27/2020   07:25:06   (  -0.03,-137.18) (  -0.17,-137.98)   90.60                80
 04/29/2020   07:10:13   (  -0.02,-137.15) (   0.42,-135.01)  242.92                80
 04/29/2020   19:31:29   (   0.02,-137.16) (   0.64,-140.18)  343.26                80
 05/01/2020   19:19:16   (   0.01,-137.13) (   0.05,-137.22)   10.77                80
 05/03/2020   19:09:44   (   0.01,-137.09) (  -0.60,-134.27)  321.66                80