Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 10.  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)
 02/11/2021   07:10:50   (  -0.03,-137.22) (   0.42,-134.98)  253.48                80
 02/11/2021   19:32:05   (   0.03,-137.23) (   0.64,-140.15)  331.85                80
 02/13/2021   19:22:33   (   0.03,-137.23) (   0.02,-137.19)    4.36                80
 02/15/2021   19:10:21   (   0.03,-137.22) (  -0.60,-134.23)  340.32                80
 02/16/2021   07:29:05   (  -0.02,-137.21) (  -0.51,-139.42)  251.24                80
 02/18/2021   07:19:33   (  -0.02,-137.21) (   0.12,-136.46)   84.02                80
 02/20/2021   07:07:21   (  -0.02,-137.19) (   0.75,-133.51)  418.39                80
 02/20/2021   19:25:57   (   0.01,-137.19) (   0.31,-138.67)  167.60                80
 02/22/2021   19:16:25   (   0.00,-137.17) (  -0.31,-135.71)  165.64                80
 02/23/2021   07:35:09   (  -0.00,-137.15) (  -0.79,-140.91)  426.59                80