Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 10 20.  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)
 10/20/2019   18:45:47   (  -0.01,-137.21) (   0.44,-139.34)  242.11                80
 10/21/2019   18:27:47   (  -0.01,-137.21) (  -0.63,-134.33)  327.12                80
 10/23/2019   06:44:08   (   0.01,-137.19) (  -0.39,-138.93)  197.90                80
 10/24/2019   06:26:10   (   0.02,-137.19) (   0.74,-133.94)  370.55                80
 10/25/2019   18:42:23   (  -0.02,-137.19) (   0.25,-138.50)  149.02                80
 10/26/2019   18:24:24   (  -0.02,-137.18) (  -0.82,-133.50)  419.48                80
 10/28/2019   06:40:45   (   0.02,-137.16) (  -0.19,-138.09)  106.14                80
 10/29/2019   06:22:47   (   0.01,-137.15) (   0.94,-133.10)  462.10                80
 10/30/2019   18:38:59   (  -0.01,-137.15) (   0.11,-137.66)   58.42                80
 11/02/2019   06:37:21   (  -0.00,-137.10) (  -0.04,-137.25)   17.18                80