Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 4 7.  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)
 04/07/2021   07:16:34   (  -0.04,-137.20) (   0.11,-136.48)   82.94                80
 04/09/2021   07:04:22   (  -0.04,-137.20) (   0.74,-133.52)  418.36                80
 04/09/2021   19:25:37   (   0.04,-137.21) (   0.37,-138.67)  166.61                80
 04/11/2021   19:16:05   (   0.04,-137.21) (  -0.26,-135.72)  168.53                80
 04/12/2021   07:37:29   (  -0.04,-137.19) (  -0.85,-140.91)  423.84                80
 04/14/2021   07:25:17   (  -0.04,-137.17) (  -0.21,-137.96)   89.50                80
 04/16/2021   07:10:25   (  -0.04,-137.15) (   0.43,-135.01)  244.02                80
 04/16/2021   19:31:40   (   0.04,-137.16) (   0.68,-140.16)  341.63                80
 04/18/2021   19:19:28   (   0.03,-137.12) (   0.04,-137.21)    9.22                80
 04/20/2021   19:09:56   (   0.02,-137.09) (  -0.60,-134.25)  322.50                80