Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 5 10.  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)
 05/12/2019   06:40:04   (   0.01,-137.18) (   0.00,-137.32)   14.92                80
 05/14/2019   18:38:16   (  -0.00,-137.21) (  -0.06,-136.87)   37.96                80
 05/16/2019   06:57:17   (   0.00,-137.19) (  -0.95,-141.47)  488.49                80
 05/17/2019   06:33:58   (  -0.00,-137.18) (   0.15,-136.48)   80.17                80
 05/18/2019   18:52:49   (   0.00,-137.20) (   0.89,-141.03)  437.74                80
 05/19/2019   18:34:50   (   0.01,-137.19) (  -0.27,-136.05)  130.98                80
 05/21/2019   06:53:51   (  -0.01,-137.16) (  -0.79,-140.64)  396.09                80
 05/22/2019   06:30:31   (  -0.01,-137.15) (   0.31,-135.64)  171.77                80
 05/23/2019   18:49:23   (   0.00,-137.15) (   0.67,-140.21)  347.77                80
 05/24/2019   18:31:24   (  -0.00,-137.14) (  -0.43,-135.21)  220.15                80