Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2020   06:20:45   (   0.03,-137.22) (   0.95,-133.10)  469.51                80
 12/09/2020   18:42:17   (  -0.03,-137.23) (   0.07,-137.66)   49.37                80
 12/12/2020   06:40:38   (   0.03,-137.21) (   0.01,-137.26)    5.52                80
 12/14/2020   18:38:51   (  -0.02,-137.20) (  -0.10,-136.82)   42.55                80
 12/16/2020   06:57:51   (   0.02,-137.17) (  -0.92,-141.42)  483.41                80
 12/17/2020   06:34:32   (   0.01,-137.16) (   0.18,-136.42)   84.45                80
 12/18/2020   18:53:24   (  -0.01,-137.15) (   0.82,-140.98)  436.62                80
 12/19/2020   18:35:24   (  -0.01,-137.13) (  -0.29,-135.99)  131.23                80
 12/21/2020   06:54:25   (   0.01,-137.11) (  -0.74,-140.58)  395.23                80