Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 8 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)
 08/14/2019   18:32:13   (   0.01,-137.20) (  -0.26,-136.03)  133.81                80
 08/16/2019   06:53:53   (  -0.02,-137.19) (  -0.77,-140.62)  391.08                80
 08/17/2019   06:30:34   (  -0.01,-137.18) (   0.34,-135.63)  177.40                80
 08/18/2019   18:52:05   (   0.02,-137.18) (   0.67,-140.19)  342.53                80
 08/19/2019   18:28:46   (   0.01,-137.17) (  -0.44,-135.19)  225.81                80
 08/21/2019   06:50:26   (  -0.02,-137.15) (  -0.59,-139.79)  299.88                80
 08/22/2019   06:27:07   (  -0.02,-137.14) (   0.52,-134.79)  267.91                80
 08/23/2019   18:48:37   (   0.02,-137.12) (   0.55,-139.34)  253.38                80
 08/24/2019   18:25:17   (   0.02,-137.11) (  -0.57,-134.35)  314.00                80
 08/26/2019   06:46:58   (  -0.03,-137.07) (  -0.46,-138.94)  213.27                80
 08/27/2019   06:23:38   (  -0.03,-137.05) (   0.65,-133.95)  353.36                80