Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 10/12/2018   13:34:31   (   0.04,-135.66) (   0.78,-138.93)  372.70                80
 10/13/2018   13:22:56   (   0.05,-135.65) (   0.18,-136.09)   51.22                80
 10/14/2018   13:14:01   (   0.06,-135.64) (  -0.48,-133.27)  270.17                80
 10/17/2018   01:32:40   (  -0.02,-135.50) (  -0.69,-138.32)  321.91                80
 10/18/2018   01:23:46   (  -0.02,-135.49) (  -0.01,-135.50)    1.92                80
 10/19/2018   01:12:10   (  -0.03,-135.47) (   0.62,-132.67)  320.22                80
 10/21/2018   13:30:45   (  -0.01,-135.52) (   0.47,-137.72)  249.63                80
 10/22/2018   13:21:50   (  -0.00,-135.50) (  -0.14,-134.88)   70.79                80
 10/23/2018   13:10:15   (   0.01,-135.48) (  -0.81,-132.06)  391.12                80
 10/26/2018   01:28:51   (   0.03,-135.32) (  -0.40,-137.09)  203.11                80