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   13:34:32   (   0.04,-135.67) (   0.78,-138.93)  372.48                80
 10/13/2018   13:22:58   (   0.05,-135.66) (   0.13,-136.11)   50.81                80
 10/14/2018   13:14:02   (   0.06,-135.65) (  -0.47,-133.27)  270.82                80
 10/17/2018   01:32:42   (  -0.02,-135.52) (  -0.67,-138.33)  321.16                80
 10/18/2018   01:23:48   (  -0.02,-135.51) (   0.00,-135.51)    2.79                80
 10/19/2018   01:12:12   (  -0.03,-135.50) (   0.61,-132.68)  321.37                80
 10/21/2018   13:30:47   (  -0.01,-135.56) (   0.50,-137.72)  247.58                80
 10/22/2018   13:21:53   (  -0.00,-135.54) (  -0.15,-134.90)   72.99                80
 10/23/2018   13:10:18   (   0.01,-135.52) (  -0.81,-132.08)  393.50                80
 10/26/2018   01:28:55   (   0.03,-135.36) (  -0.37,-137.12)  200.76                80