Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 5 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)
 05/21/2019   06:53:51   (   0.00,-137.18) (  -0.78,-140.64)  394.97                80
 05/22/2019   06:30:32   (  -0.00,-137.17) (   0.31,-135.64)  173.22                80
 05/23/2019   18:49:24   (   0.00,-137.19) (   0.67,-140.21)  344.18                80
 05/24/2019   18:31:25   (   0.01,-137.18) (  -0.42,-135.21)  224.05                80
 05/26/2019   06:50:26   (  -0.01,-137.13) (  -0.58,-139.81)  304.91                80
 05/27/2019   06:27:07   (  -0.01,-137.12) (   0.52,-134.81)  262.69                80
 05/28/2019   18:45:58   (   0.01,-137.13) (   0.53,-139.37)  255.93                80
 05/29/2019   18:27:59   (   0.01,-137.11) (  -0.63,-134.38)  311.76                80
 05/31/2019   06:47:00   (  -0.01,-137.06) (  -0.42,-138.97)  217.72                80
 06/01/2019   06:23:40   (  -0.01,-137.04) (   0.67,-133.98)  349.08                80
 06/02/2019   18:42:32   (   0.01,-137.03) (   0.32,-138.54)  171.42                80