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   06:53:52   (   0.02,-137.18) (  -0.75,-140.65)  394.83                80
 05/22/2019   06:30:32   (   0.03,-137.18) (   0.35,-135.65)  173.56                80
 05/23/2019   18:49:25   (  -0.03,-137.20) (   0.64,-140.22)  343.52                80
 05/24/2019   18:31:25   (  -0.04,-137.20) (  -0.46,-135.22)  225.04                80
 05/26/2019   06:50:27   (   0.04,-137.16) (  -0.54,-139.82)  303.10                80
 05/27/2019   06:27:07   (   0.05,-137.15) (   0.55,-134.82)  264.88                80
 05/28/2019   18:45:59   (  -0.05,-137.16) (   0.44,-139.39)  253.26                80
 05/29/2019   18:28:00   (  -0.05,-137.16) (  -0.66,-134.39)  314.85                80
 05/31/2019   06:47:00   (   0.05,-137.11) (  -0.39,-138.98)  213.69                80
 06/01/2019   06:23:42   (   0.05,-137.09) (   0.77,-134.00)  353.58                80
 06/02/2019   18:42:33   (  -0.05,-137.09) (   0.29,-138.55)  166.34                80