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)
 04/22/2020   07:04:11   (  -0.03,-137.19) (   0.73,-133.53)  416.47                80
 04/22/2020   19:25:27   (   0.03,-137.20) (   0.32,-138.69)  168.89                80
 04/24/2020   19:15:54   (   0.03,-137.20) (  -0.26,-135.73)  166.70                80
 04/25/2020   07:37:18   (  -0.03,-137.19) (  -0.85,-140.92)  425.04                80
 04/27/2020   07:25:06   (  -0.03,-137.17) (  -0.20,-137.97)   90.70                80
 04/29/2020   07:10:14   (  -0.02,-137.15) (   0.45,-135.02)  242.71                80
 04/29/2020   19:31:28   (   0.02,-137.15) (   0.66,-140.17)  343.65                80
 05/01/2020   19:19:16   (   0.01,-137.12) (   0.01,-137.22)   11.35                80
 05/03/2020   19:09:44   (   0.01,-137.09) (  -0.58,-134.26)  321.13                80
 05/04/2020   07:31:07   (  -0.01,-137.07) (  -0.51,-139.45)  271.13                80