Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 4.  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)
 10/05/2018   13:17:47   (   0.10,-135.68) (  -0.18,-134.48)  137.64                80
 10/06/2018   13:06:13   (   0.11,-135.68) (  -0.83,-131.66)  460.15                80
 10/08/2018   01:36:29   (  -0.06,-135.59) (  -0.97,-139.55)  451.44                80
 10/09/2018   01:24:53   (  -0.07,-135.59) (  -0.36,-136.71)  128.73                80
 10/10/2018   01:15:59   (  -0.08,-135.59) (   0.32,-133.89)  193.86                80
 10/12/2018   13:34:31   (   0.04,-135.67) (   0.81,-138.92)  371.55                80
 10/13/2018   13:22:56   (   0.05,-135.66) (   0.15,-136.10)   49.65                80
 10/14/2018   13:14:02   (   0.06,-135.65) (  -0.51,-133.28)  272.02                80
 10/17/2018   01:32:41   (  -0.02,-135.53) (  -0.65,-138.33)  319.16                80
 10/18/2018   01:23:19   (  -0.02,-135.52) (  -0.03,-135.50)    2.39                54