Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 11.  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   (  -0.02,-137.22) (   0.47,-134.99)  253.54                80
 02/11/2021   19:34:45   (   0.03,-137.23) (   0.65,-140.14)  331.66                80
 02/13/2021   19:22:33   (   0.03,-137.23) (   0.03,-137.19)    4.83                80
 02/15/2021   19:07:41   (   0.03,-137.23) (  -0.59,-134.23)  340.81                80
 02/16/2021   07:31:45   (  -0.03,-137.22) (  -0.52,-139.42)  250.67                80
 02/18/2021   07:16:53   (  -0.03,-137.21) (   0.11,-136.46)   84.72                80
 02/20/2021   07:07:21   (  -0.02,-137.20) (   0.74,-133.50)  419.25                80
 02/20/2021   19:25:57   (   0.02,-137.20) (   0.32,-138.67)  166.70                80
 02/22/2021   19:16:25   (   0.01,-137.18) (  -0.31,-135.71)  166.62                80
 02/23/2021   07:35:09   (  -0.00,-137.16) (  -0.79,-140.90)  425.59                80
 02/24/2021   19:04:13   (   0.00,-137.15) (  -0.94,-132.76)  499.35                80