Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 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)
 01/28/2021   19:19:57   (   0.03,-137.24) (   0.01,-137.18)    7.11                80
 01/30/2021   19:10:25   (   0.03,-137.24) (  -0.59,-134.22)  343.00                80
 01/31/2021   07:31:49   (  -0.04,-137.23) (  -0.52,-139.41)  248.41                80
 02/02/2021   07:16:58   (  -0.03,-137.22) (   0.14,-136.46)   86.85                80
 02/02/2021   19:38:12   (   0.04,-137.23) (   0.98,-141.61)  499.04                80
 02/04/2021   07:04:46   (  -0.03,-137.21) (   0.75,-133.50)  421.37                80
 02/04/2021   19:26:01   (   0.03,-137.21) (   0.32,-138.67)  164.72                80
 02/06/2021   19:16:29   (   0.03,-137.19) (  -0.30,-135.71)  168.78                80
 02/07/2021   07:37:53   (  -0.03,-137.18) (  -0.81,-140.90)  423.04                80
 02/09/2021   07:25:41   (  -0.01,-137.14) (  -0.19,-137.94)   90.62                80