Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 11.  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   13:34:32   (   0.04,-135.67) (   0.79,-138.93)  372.86                80
 10/13/2018   13:22:58   (   0.05,-135.66) (   0.14,-136.11)   51.16                80
 10/14/2018   13:14:03   (   0.06,-135.65) (  -0.51,-133.28)  270.39                80
 10/17/2018   01:32:42   (  -0.02,-135.52) (  -0.68,-138.33)  321.77                80
 10/18/2018   01:23:48   (  -0.02,-135.50) (  -0.00,-135.51)    2.85                80
 10/19/2018   01:12:12   (  -0.03,-135.49) (   0.62,-132.68)  320.73                80
 10/21/2018   13:30:47   (  -0.01,-135.55) (   0.49,-137.72)  248.12                80
 10/22/2018   13:21:53   (  -0.00,-135.53) (  -0.17,-134.90)   72.49                80
 10/23/2018   13:10:17   (   0.01,-135.51) (  -0.77,-132.07)  392.97                80