Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 28.  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)
 03/29/2021   07:25:23   (  -0.05,-137.21) (  -0.18,-137.95)   83.49                80
 03/31/2021   07:10:31   (  -0.05,-137.20) (   0.43,-134.99)  251.75                80
 03/31/2021   19:31:46   (   0.05,-137.21) (   0.68,-140.14)  333.99                80
 04/02/2021   19:22:14   (   0.04,-137.19) (   0.06,-137.19)    1.86                80
 04/04/2021   19:10:02   (   0.04,-137.17) (  -0.57,-134.23)  333.45                80
 04/05/2021   07:31:25   (  -0.04,-137.15) (  -0.54,-139.42)  258.65                80
 04/07/2021   07:16:34   (  -0.03,-137.13) (   0.09,-136.47)   74.44                80
 04/09/2021   07:04:22   (  -0.03,-137.10) (   0.73,-133.52)  407.43                80
 04/09/2021   19:25:36   (   0.03,-137.10) (   0.39,-138.67)  178.99                80