Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 13.  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   19:22:33   (   0.03,-137.23) (   0.04,-137.18)    5.07                80
 02/15/2021   19:07:41   (   0.03,-137.22) (  -0.58,-134.23)  340.44                80
 02/16/2021   07:31:45   (  -0.03,-137.21) (  -0.53,-139.42)  251.11                80
 02/18/2021   07:16:54   (  -0.03,-137.20) (   0.16,-136.47)   84.08                80
 02/20/2021   07:04:42   (  -0.02,-137.19) (   0.79,-133.51)  418.37                80
 02/20/2021   19:25:57   (   0.02,-137.19) (   0.33,-138.67)  167.65                80
 02/22/2021   19:16:25   (   0.01,-137.17) (  -0.30,-135.71)  165.43                80
 02/23/2021   07:35:09   (  -0.00,-137.15) (  -0.81,-140.90)  426.81                80
 02/24/2021   19:04:13   (   0.00,-137.13) (  -0.93,-132.75)  497.93                80
 02/25/2021   07:22:57   (  -0.00,-137.11) (  -0.17,-137.95)   94.40                80