Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 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)
 03/22/2021   07:16:38   (  -0.04,-137.19) (   0.10,-136.45)   83.96                80
 03/22/2021   19:40:34   (   0.04,-137.22) (   0.96,-141.62)  499.52                80
 03/24/2021   07:04:27   (  -0.04,-137.26) (   0.77,-133.51)  426.41                80
 03/24/2021   19:28:22   (   0.04,-137.28) (   0.35,-138.66)  157.22                80
 03/26/2021   19:13:31   (   0.04,-137.34) (  -0.32,-135.72)  184.66                80
 03/27/2021   07:37:35   (  -0.04,-137.34) (  -0.80,-140.91)  405.41                80
 03/29/2021   07:25:23   (  -0.04,-137.39) (  -0.18,-137.95)   64.20                80
 03/31/2021   07:10:32   (  -0.04,-137.43) (   0.49,-135.00)  276.44                80
 03/31/2021   19:31:47   (   0.04,-137.45) (   0.62,-140.16)  307.92                80
 04/02/2021   19:22:15   (   0.03,-137.48) (   0.00,-137.20)   31.64                80
 04/04/2021   19:10:04   (   0.03,-137.51) (  -0.68,-134.26)  370.14                80