Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 9 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)
 09/12/2019   18:34:47   (   0.01,-137.18) (  -0.24,-136.01)  133.05                80
 09/14/2019   06:53:47   (  -0.01,-137.17) (  -0.80,-140.61)  392.38                80
 09/15/2019   06:30:28   (  -0.01,-137.16) (   0.32,-135.61)  175.69                80
 09/16/2019   18:49:19   (   0.01,-137.14) (   0.67,-140.18)  345.36                80
 09/17/2019   18:31:20   (   0.01,-137.13) (  -0.45,-135.18)  222.48                80
 09/19/2019   06:50:19   (  -0.02,-137.10) (  -0.64,-139.77)  303.90                80
 09/20/2019   06:27:00   (  -0.02,-137.09) (   0.48,-134.77)  263.40                80
 09/21/2019   18:45:51   (   0.03,-137.06) (   0.52,-139.33)  259.26                80
 09/22/2019   18:27:50   (   0.03,-137.03) (  -0.54,-134.33)  307.48                80
 09/24/2019   06:46:51   (  -0.03,-136.99) (  -0.47,-138.93)  220.58                80
 09/25/2019   06:23:31   (  -0.03,-136.96) (   0.65,-133.93)  345.56                80