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)
 04/24/2019   18:49:17   (   0.01,-137.22) (   0.65,-140.20)  339.34                80
 04/25/2019   18:31:17   (   0.01,-137.22) (  -0.43,-135.20)  229.32                80
 04/27/2019   06:50:18   (  -0.01,-137.15) (  -0.59,-139.80)  301.27                80
 04/28/2019   06:26:59   (  -0.01,-137.15) (   0.50,-134.80)  266.75                80
 04/29/2019   18:45:51   (   0.01,-137.18) (   0.49,-139.37)  248.79                80
 04/30/2019   18:27:52   (   0.01,-137.17) (  -0.59,-134.37)  319.37                80
 05/02/2019   06:46:53   (  -0.02,-137.11) (  -0.43,-138.97)  211.67                80
 05/03/2019   06:23:34   (  -0.02,-137.09) (   0.66,-133.97)  355.73                80
 05/04/2019   18:42:26   (   0.02,-137.12) (   0.33,-138.53)  161.35                80
 05/05/2019   18:24:26   (   0.01,-137.10) (  -0.76,-133.53)  405.87                80
 05/07/2019   06:43:28   (  -0.01,-137.02) (  -0.26,-138.13)  126.42                80