Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 8.  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)
 02/09/2021   07:25:41   (  -0.02,-137.21) (  -0.20,-137.94)   83.04                80
 02/11/2021   07:13:30   (  -0.03,-137.22) (   0.47,-134.99)  253.87                80
 02/11/2021   19:32:05   (   0.03,-137.23) (   0.65,-140.14)  331.30                80
 02/13/2021   19:19:53   (   0.02,-137.24) (   0.03,-137.18)    5.72                80
 02/15/2021   19:10:21   (   0.02,-137.24) (  -0.59,-134.23)  341.61                80
 02/16/2021   07:29:06   (  -0.02,-137.23) (  -0.46,-139.43)  249.97                80
 02/18/2021   07:19:34   (  -0.02,-137.22) (   0.16,-136.47)   85.70                80
 02/18/2021   19:38:09   (   0.02,-137.23) (   0.96,-141.62)  499.89                80
 02/20/2021   07:07:22   (  -0.01,-137.21) (   0.79,-133.52)  420.40                80
 02/20/2021   19:25:57   (   0.01,-137.21) (   0.33,-138.67)  165.42                80
 02/22/2021   19:16:25   (   0.00,-137.19) (  -0.30,-135.71)  168.21                80