Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 6 21.  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)
 06/22/2019   18:31:30   (  -0.02,-137.20) (  -0.48,-135.22)  226.08                80
 06/24/2019   06:50:30   (   0.03,-137.18) (  -0.54,-139.82)  300.04                80
 06/25/2019   06:27:10   (   0.03,-137.18) (   0.57,-134.82)  268.37                80
 06/26/2019   18:46:03   (  -0.03,-137.18) (   0.44,-139.39)  250.68                80
 06/27/2019   18:28:03   (  -0.03,-137.18) (  -0.66,-134.39)  317.67                80
 06/29/2019   06:47:03   (   0.03,-137.15) (  -0.35,-138.99)  209.22                80
 06/30/2019   06:23:44   (   0.03,-137.13) (   0.75,-133.99)  358.30                80
 07/01/2019   18:42:35   (  -0.03,-137.12) (   0.31,-138.54)  162.71                80
 07/02/2019   18:24:37   (  -0.04,-137.10) (  -0.85,-133.56)  404.43                80
 07/04/2019   06:43:36   (   0.04,-137.06) (  -0.22,-138.14)  124.03                80
 07/05/2019   06:20:17   (   0.05,-137.03) (   0.89,-133.15)  442.30                80