Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 9 18.  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)
 09/19/2019   06:50:19   (  -0.02,-137.21) (  -0.61,-139.77)  292.91                80
 09/20/2019   06:27:00   (  -0.02,-137.21) (   0.51,-134.78)  276.43                80
 09/21/2019   18:45:51   (   0.03,-137.21) (   0.49,-139.34)  242.68                80
 09/22/2019   18:27:52   (   0.03,-137.20) (  -0.63,-134.35)  326.05                80
 09/24/2019   06:46:51   (  -0.03,-137.19) (  -0.45,-138.93)  199.51                80
 09/25/2019   06:23:32   (  -0.03,-137.18) (   0.68,-133.94)  368.66                80
 09/26/2019   18:42:23   (   0.02,-137.17) (   0.33,-138.50)  152.08                80
 09/27/2019   18:24:23   (   0.02,-137.16) (  -0.80,-133.51)  415.80                80
 09/29/2019   06:43:24   (  -0.02,-137.13) (  -0.22,-138.11)  110.53                80
 09/30/2019   06:20:03   (  -0.02,-137.12) (   0.85,-133.10)  457.20                80
 10/01/2019   18:38:55   (   0.03,-137.10) (   0.16,-137.66)   64.11                80