Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 15.  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)
 02/15/2021   19:07:42   (   0.03,-137.23) (  -0.63,-134.23)  340.52                80
 02/16/2021   07:31:46   (  -0.03,-137.21) (  -0.48,-139.43)  250.98                80
 02/18/2021   07:16:54   (  -0.03,-137.20) (   0.14,-136.47)   84.09                80
 02/20/2021   07:04:42   (  -0.03,-137.19) (   0.77,-133.51)  418.36                80
 02/20/2021   19:25:56   (   0.03,-137.19) (   0.35,-138.66)  167.64                80
 02/22/2021   19:16:25   (   0.02,-137.16) (  -0.28,-135.71)  165.58                80
 02/23/2021   07:35:08   (  -0.02,-137.15) (  -0.82,-140.90)  426.65                80
 02/24/2021   19:04:13   (   0.01,-137.13) (  -0.92,-132.75)  497.88                80
 02/25/2021   07:22:56   (  -0.01,-137.11) (  -0.19,-137.94)   94.47                80
 02/27/2021   07:13:24   (  -0.00,-137.07) (   0.45,-134.99)  237.47                80
 02/27/2021   19:31:59   (   0.00,-137.07) (   0.67,-140.14)  349.23                80