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   13:34:31   (   0.04,-135.66) (   0.80,-138.92)  372.67                80
 10/13/2018   13:22:56   (   0.05,-135.65) (   0.14,-136.10)   51.09                80
 10/14/2018   13:14:02   (   0.06,-135.64) (  -0.52,-133.28)  270.30                80
 10/17/2018   01:32:41   (  -0.02,-135.51) (  -0.66,-138.33)  321.60                80
 10/18/2018   01:21:05   (  -0.03,-135.49) (  -0.03,-135.49)    0.91                80
 10/19/2018   01:12:11   (  -0.03,-135.48) (   0.65,-132.67)  320.64                80
 10/21/2018   13:30:45   (  -0.01,-135.53) (   0.50,-137.71)  249.16                80
 10/22/2018   13:21:50   (  -0.00,-135.51) (  -0.17,-134.89)   71.31                80
 10/23/2018   13:10:15   (   0.01,-135.49) (  -0.77,-132.05)  391.66                80