Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 9 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)
 09/11/2019   18:52:47   (   0.02,-137.19) (   0.85,-141.01)  435.49                80
 09/12/2019   18:34:48   (   0.01,-137.18) (  -0.27,-136.02)  132.95                80
 09/14/2019   06:53:48   (  -0.01,-137.17) (  -0.77,-140.61)  392.32                80
 09/15/2019   06:30:28   (  -0.01,-137.16) (   0.36,-135.62)  175.77                80
 09/16/2019   18:49:19   (   0.01,-137.14) (   0.70,-140.17)  345.42                80
 09/17/2019   18:31:19   (   0.01,-137.13) (  -0.42,-135.18)  222.43                80
 09/19/2019   06:50:20   (  -0.02,-137.11) (  -0.61,-139.77)  303.72                80
 09/20/2019   06:27:00   (  -0.02,-137.09) (   0.51,-134.78)  263.59                80
 09/21/2019   18:45:50   (   0.03,-137.06) (   0.55,-139.33)  259.21                80
 09/22/2019   18:27:51   (   0.03,-137.03) (  -0.57,-134.33)  307.54                80
 09/24/2019   06:46:51   (  -0.03,-137.00) (  -0.45,-138.93)  220.33                80