Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 25.  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)
 03/26/2021   19:16:11   (   0.04,-137.22) (  -0.30,-135.71)  171.60                80
 03/27/2021   07:37:34   (  -0.05,-137.21) (  -0.82,-140.90)  419.26                80
 03/29/2021   07:25:23   (  -0.04,-137.21) (  -0.20,-137.94)   83.35                80
 03/31/2021   07:10:31   (  -0.04,-137.21) (   0.42,-134.99)  251.84                80
 03/31/2021   19:31:46   (   0.04,-137.21) (   0.64,-140.15)  334.51                80
 04/02/2021   19:19:34   (   0.04,-137.19) (   0.02,-137.20)    2.67                80
 04/04/2021   19:10:02   (   0.04,-137.17) (  -0.61,-134.24)  332.86                80
 04/05/2021   07:31:26   (  -0.03,-137.16) (  -0.50,-139.43)  258.64                80
 04/07/2021   07:16:34   (  -0.03,-137.13) (   0.13,-136.48)   74.39                80