Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 9 15.  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)
 09/16/2019   18:49:19   (   0.01,-137.20) (   0.67,-140.18)  339.34                80
 09/17/2019   18:31:20   (   0.01,-137.20) (  -0.45,-135.18)  230.37                80
 09/19/2019   06:50:20   (  -0.02,-137.20) (  -0.58,-139.78)  293.09                80
 09/20/2019   06:27:01   (  -0.02,-137.20) (   0.55,-134.79)  276.10                80
 09/21/2019   18:45:51   (   0.03,-137.20) (   0.51,-139.34)  243.71                80
 09/22/2019   18:27:51   (   0.03,-137.19) (  -0.61,-134.34)  324.87                80
 09/24/2019   06:46:52   (  -0.03,-137.18) (  -0.41,-138.94)  200.40                80
 09/25/2019   06:23:32   (  -0.03,-137.17) (   0.71,-133.95)  367.59                80
 09/26/2019   18:42:23   (   0.02,-137.15) (   0.35,-138.50)  153.95                80
 09/27/2019   18:24:23   (   0.01,-137.14) (  -0.77,-133.50)  413.81                80
 09/29/2019   06:43:23   (  -0.01,-137.12) (  -0.24,-138.10)  112.28                80