Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 9 19.  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)
 09/20/2019   06:27:01   (  -0.02,-137.21) (   0.54,-134.78)  276.44                80
 09/21/2019   18:45:51   (   0.03,-137.21) (   0.52,-139.33)  242.46                80
 09/22/2019   18:27:51   (   0.03,-137.21) (  -0.60,-134.34)  326.31                80
 09/24/2019   06:46:52   (  -0.03,-137.19) (  -0.42,-138.94)  199.25                80
 09/25/2019   06:23:32   (  -0.03,-137.18) (   0.71,-133.95)  368.96                80
 09/26/2019   18:42:23   (   0.02,-137.17) (   0.30,-138.51)  151.59                80
 09/27/2019   18:24:23   (   0.02,-137.16) (  -0.77,-133.50)  416.40                80
 09/29/2019   06:43:23   (  -0.02,-137.14) (  -0.25,-138.10)  109.98                80
 09/30/2019   06:20:04   (  -0.02,-137.13) (   0.88,-133.11)  457.79                80
 10/01/2019   18:38:55   (   0.03,-137.11) (   0.13,-137.67)   63.40                80