Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 11 21.  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)
 11/22/2019   06:23:45   (   0.00,-137.23) (   0.72,-133.92)  376.49                80
 11/23/2019   18:42:39   (  -0.01,-137.24) (   0.29,-138.48)  142.11                80
 11/24/2019   18:24:40   (  -0.01,-137.25) (  -0.83,-133.49)  427.48                80
 11/26/2019   06:43:41   (   0.01,-137.25) (  -0.19,-138.09)   95.87                80
 11/27/2019   06:23:03   (   0.01,-137.25) (   0.94,-133.10)  473.29                80
 11/28/2019   18:39:16   (  -0.01,-137.25) (   0.07,-137.66)   46.37                80
 12/01/2019   06:37:38   (  -0.01,-137.24) (  -0.03,-137.25)    2.56                80
 12/03/2019   18:38:33   (   0.01,-137.24) (  -0.09,-136.83)   46.87                80
 12/05/2019   06:54:54   (  -0.01,-137.22) (  -0.93,-141.42)  477.92                80