Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 22.  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   (  -0.04,-137.19) (   0.74,-133.53)  416.53                80
 04/22/2020   19:25:26   (   0.03,-137.20) (   0.36,-138.68)  168.84                80
 04/24/2020   19:15:54   (   0.03,-137.20) (  -0.28,-135.73)  166.67                80
 04/25/2020   07:37:18   (  -0.03,-137.19) (  -0.83,-140.92)  425.04                80
 04/27/2020   07:25:06   (  -0.03,-137.17) (  -0.18,-137.97)   90.78                80
 04/29/2020   07:10:13   (  -0.02,-137.15) (   0.41,-135.01)  242.61                80
 04/29/2020   19:31:29   (   0.02,-137.15) (   0.64,-140.18)  343.78                80
 05/01/2020   19:19:16   (   0.01,-137.12) (   0.05,-137.21)   11.40                80
 05/03/2020   19:09:44   (   0.01,-137.08) (  -0.60,-134.26)  320.93                80
 05/04/2020   07:31:08   (  -0.01,-137.07) (  -0.49,-139.46)  271.35                80