Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 26.  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)
 01/26/2021   07:10:53   (  -0.02,-137.23) (   0.47,-134.99)  255.90                80
 01/26/2021   19:32:08   (   0.02,-137.24) (   0.66,-140.14)  329.36                80
 01/28/2021   19:22:37   (   0.03,-137.24) (  -0.00,-137.19)    7.31                80
 01/30/2021   19:10:25   (   0.03,-137.24) (  -0.60,-134.22)  342.80                80
 01/31/2021   07:31:49   (  -0.03,-137.23) (  -0.51,-139.41)  248.54                80
 02/02/2021   07:16:58   (  -0.03,-137.22) (   0.15,-136.47)   86.71                80
 02/02/2021   19:38:13   (   0.03,-137.23) (   0.98,-141.62)  499.36                80
 02/04/2021   07:04:46   (  -0.03,-137.21) (   0.76,-133.51)  421.17                80
 02/04/2021   19:26:02   (   0.03,-137.21) (   0.31,-138.67)  165.10                80
 02/06/2021   19:16:30   (   0.02,-137.19) (  -0.30,-135.71)  168.23                80
 02/07/2021   07:37:53   (  -0.01,-137.17) (  -0.80,-140.90)  423.63                80