Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 4 23.  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)
 04/23/2019   06:30:25   (   0.02,-137.17) (   0.36,-135.64)  174.38                80
 04/24/2019   18:49:17   (  -0.01,-137.22) (   0.63,-140.21)  340.08                80
 04/25/2019   18:31:17   (  -0.01,-137.22) (  -0.45,-135.21)  228.70                80
 04/27/2019   06:50:19   (   0.01,-137.16) (  -0.57,-139.81)  301.52                80
 04/28/2019   06:26:59   (   0.00,-137.15) (   0.51,-134.81)  266.59                80
 04/29/2019   18:45:52   (  -0.00,-137.18) (   0.47,-139.37)  249.10                80
 04/30/2019   18:27:52   (  -0.00,-137.18) (  -0.61,-134.37)  319.14                80
 05/02/2019   06:46:53   (   0.00,-137.11) (  -0.41,-138.97)  211.58                80
 05/03/2019   06:23:34   (   0.00,-137.10) (   0.68,-133.97)  355.91                80
 05/04/2019   18:42:26   (   0.00,-137.12) (   0.31,-138.54)  161.25                80
 05/05/2019   18:24:27   (   0.00,-137.11) (  -0.77,-133.54)  406.18                80