Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 4 20.  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)
 04/20/2016   23:28:02   (  -0.06,-135.39) (   0.49,-132.93)  279.59                80
 04/23/2016   11:49:51   (   0.05,-135.40) (   0.65,-138.15)  313.35                80
 04/24/2016   11:35:51   (   0.05,-135.39) (   0.07,-135.39)    1.55                80
 04/25/2016   11:24:31   (   0.05,-135.38) (  -0.58,-132.64)  313.52                80
 04/27/2016   23:46:29   (  -0.05,-135.33) (  -0.65,-137.88)  291.01                80
 04/28/2016   23:37:50   (  -0.05,-135.32) (   0.02,-135.13)   22.24                80
 04/29/2016   23:26:29   (  -0.05,-135.30) (   0.64,-132.37)  334.92                80
 05/02/2016   11:45:39   (   0.05,-135.29) (   0.57,-137.59)  262.34                80
 05/03/2016   11:34:19   (   0.05,-135.26) (  -0.03,-134.82)   49.85                80
 05/04/2016   11:25:39   (   0.05,-135.24) (  -0.69,-132.08)  361.76                80