Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 6.  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)
 03/06/2021   07:16:46   (  -0.03,-137.21) (   0.11,-136.46)   85.12                80
 03/06/2021   19:40:41   (   0.04,-137.22) (   1.00,-141.61)  499.64                80
 03/08/2021   07:04:34   (  -0.03,-137.20) (   0.77,-133.51)  420.25                80
 03/08/2021   19:28:29   (   0.03,-137.21) (   0.34,-138.66)  164.61                80
 03/10/2021   19:16:16   (   0.03,-137.20) (  -0.26,-135.69)  170.29                80
 03/11/2021   07:37:40   (  -0.03,-137.18) (  -0.85,-140.89)  422.23                80
 03/13/2021   07:25:28   (  -0.03,-137.16) (  -0.19,-137.94)   87.55                80
 03/15/2021   07:10:35   (  -0.03,-137.15) (   0.42,-134.97)  246.90                80
 03/15/2021   19:31:51   (   0.03,-137.16) (   0.63,-140.14)  338.32                80
 03/17/2021   19:19:38   (   0.03,-137.13) (   0.03,-137.17)    4.76                80
 03/19/2021   19:10:05   (   0.02,-137.10) (  -0.58,-134.21)  328.30                80