Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 10.  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)
 04/11/2018   01:08:03   (  -0.06,-135.15) (  -0.84,-138.66)  400.08                80
 04/12/2018   00:56:31   (  -0.06,-135.18) (  -0.22,-135.84)   75.78                80
 04/13/2018   00:47:39   (  -0.07,-135.21) (   0.46,-133.04)  248.40                80
 04/15/2018   13:06:14   (   0.06,-135.26) (   0.72,-138.08)  321.85                80
 04/16/2018   12:54:42   (   0.06,-135.28) (   0.08,-135.26)    2.96                80
 04/17/2018   12:45:50   (   0.06,-135.30) (  -0.62,-132.46)  325.35                80
 04/20/2018   01:04:40   (  -0.05,-135.36) (  -0.58,-137.56)  251.49                80
 04/21/2018   00:55:49   (  -0.05,-135.37) (   0.11,-134.76)   71.15                80
 04/22/2018   00:44:16   (  -0.05,-135.39) (   0.75,-131.94)  393.61                80
 04/24/2018   13:02:49   (   0.04,-135.40) (   0.43,-136.97)  180.12                80