Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 4 11.  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)
 04/13/2019   06:39:54   (  -0.01,-137.18) (  -0.01,-137.30)   13.43                80
 04/15/2019   18:38:07   (   0.01,-137.22) (  -0.07,-136.87)   39.84                80
 04/17/2019   06:57:08   (  -0.01,-137.16) (  -0.95,-141.46)  489.58                80
 04/18/2019   06:33:49   (  -0.01,-137.16) (   0.13,-136.46)   78.49                80
 04/19/2019   18:52:41   (   0.01,-137.18) (   0.87,-141.03)  438.14                80
 04/20/2019   18:34:42   (   0.01,-137.18) (  -0.27,-136.04)  130.11                80
 04/22/2019   06:53:43   (  -0.01,-137.12) (  -0.81,-140.63)  399.83                80
 04/23/2019   06:30:24   (  -0.01,-137.10) (   0.33,-135.64)  167.53                80
 04/24/2019   18:49:15   (   0.01,-137.12) (   0.72,-140.19)  350.67                80
 04/25/2019   18:31:17   (   0.01,-137.10) (  -0.42,-135.20)  216.77                80