Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 4 27.  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)
 04/28/2019   06:26:59   (   0.01,-137.17) (   0.52,-134.81)  269.56                80
 04/29/2019   18:45:52   (  -0.01,-137.22) (   0.47,-139.37)  245.01                80
 04/30/2019   18:27:52   (  -0.01,-137.22) (  -0.62,-134.37)  323.92                80
 05/02/2019   06:46:53   (   0.00,-137.17) (  -0.41,-138.97)  205.79                80
 05/03/2019   06:23:35   (   0.00,-137.16) (   0.74,-133.98)  362.43                80
 05/04/2019   18:42:26   (  -0.00,-137.19) (   0.31,-138.54)  153.59                80
 05/05/2019   18:24:28   (   0.00,-137.18) (  -0.83,-133.55)  414.50                80
 05/07/2019   06:43:28   (  -0.00,-137.12) (  -0.25,-138.14)  116.36                80
 05/08/2019   06:20:10   (  -0.01,-137.10) (   0.90,-133.15)  450.78                80
 05/09/2019   18:39:01   (   0.01,-137.11) (   0.15,-137.70)   67.40                80
 05/10/2019   18:21:02   (   0.01,-137.09) (  -1.00,-132.72)  499.37                80