Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 10 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)
 10/23/2019   06:46:48   (   0.00,-137.20) (  -0.41,-138.92)  196.79                80
 10/24/2019   06:23:30   (   0.00,-137.20) (   0.72,-133.93)  372.18                80
 10/25/2019   18:42:23   (  -0.00,-137.20) (   0.27,-138.50)  146.97                80
 10/26/2019   18:24:24   (  -0.00,-137.20) (  -0.86,-133.51)  421.79                80
 10/28/2019   06:43:25   (   0.00,-137.19) (  -0.21,-138.09)  103.44                80
 10/29/2019   06:20:06   (   0.01,-137.18) (   0.92,-133.10)  464.90                80
 10/30/2019   18:39:00   (  -0.01,-137.17) (   0.07,-137.67)   55.51                80
 11/02/2019   06:40:01   (   0.01,-137.14) (  -0.00,-137.26)   13.83                80
 11/04/2019   18:38:15   (   0.02,-137.11) (  -0.07,-136.82)   33.53                80