Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2020 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2020   06:45:44   (   0.02,-137.21) (  -0.16,-138.13)  103.92                80
 12/25/2020   06:22:25   (   0.02,-137.21) (   0.92,-133.13)  464.32                80
 12/26/2020   18:41:17   (  -0.02,-137.20) (   0.07,-137.69)   56.36                80
 12/29/2020   06:42:19   (   0.02,-137.16) (  -0.01,-137.29)   14.93                80
 12/31/2020   18:40:32   (  -0.01,-137.12) (  -0.10,-136.86)   30.44                80
 01/02/2021   06:59:32   (   0.01,-137.08) (  -0.99,-141.44)  497.13                80
 01/03/2021   06:38:53   (   0.01,-137.06) (   0.16,-136.45)   69.60                80
 01/04/2021   18:55:05   (  -0.01,-137.03) (   0.88,-141.01)  453.52                80
 01/05/2021   18:37:05   (  -0.01,-137.00) (  -0.22,-136.01)  112.97                80