Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 5 13.  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)
 05/14/2019   18:38:16   (  -0.01,-137.21) (  -0.09,-136.88)   38.01                80
 05/16/2019   06:57:18   (   0.01,-137.19) (  -0.93,-141.48)  488.88                80
 05/17/2019   06:33:58   (   0.01,-137.18) (   0.17,-136.48)   79.66                80
 05/18/2019   18:52:49   (  -0.01,-137.20) (   0.88,-141.04)  438.10                80
 05/19/2019   18:34:51   (  -0.01,-137.19) (  -0.28,-136.05)  130.49                80
 05/21/2019   06:53:51   (   0.01,-137.16) (  -0.79,-140.64)  397.05                80
 05/22/2019   06:30:33   (   0.00,-137.15) (   0.36,-135.65)  170.85                80
 05/23/2019   18:49:24   (  -0.00,-137.15) (   0.68,-140.21)  348.32                80
 05/24/2019   18:31:25   (   0.00,-137.14) (  -0.41,-135.21)  219.70                80
 05/26/2019   06:50:26   (  -0.01,-137.10) (  -0.59,-139.81)  308.18                80