Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 12.  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)
 02/13/2021   19:19:54   (   0.03,-137.23) (   0.00,-137.19)    5.01                80
 02/15/2021   19:07:42   (   0.03,-137.23) (  -0.62,-134.23)  340.50                80
 02/16/2021   07:31:45   (  -0.03,-137.22) (  -0.49,-139.42)  250.99                80
 02/18/2021   07:16:54   (  -0.03,-137.21) (   0.13,-136.47)   84.21                80
 02/20/2021   07:04:42   (  -0.02,-137.19) (   0.76,-133.51)  418.62                80
 02/20/2021   19:25:56   (   0.02,-137.19) (   0.36,-138.66)  167.41                80
 02/22/2021   19:16:24   (   0.01,-137.17) (  -0.27,-135.71)  165.80                80
 02/23/2021   07:35:08   (  -0.00,-137.15) (  -0.83,-140.90)  426.45                80
 02/24/2021   19:04:12   (   0.00,-137.14) (  -0.91,-132.75)  498.35                80
 02/25/2021   07:22:56   (  -0.00,-137.12) (  -0.19,-137.94)   93.97                80