Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 4 13.  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)
 04/14/2016   11:51:21   (   0.05,-135.39) (   0.82,-138.69)  377.54                80
 04/15/2016   11:40:02   (   0.06,-135.39) (   0.18,-135.94)   62.58                80
 04/16/2016   11:26:02   (   0.06,-135.40) (  -0.46,-133.19)  252.31                80
 04/18/2016   23:48:03   (  -0.06,-135.39) (  -0.75,-138.45)  348.54                80
 04/19/2016   23:36:42   (  -0.06,-135.40) (  -0.14,-135.69)   33.75                80
 04/20/2016   23:28:03   (  -0.06,-135.40) (   0.53,-132.94)  280.98                80
 04/23/2016   11:49:51   (   0.06,-135.42) (   0.67,-138.15)  310.86                80
 04/24/2016   11:35:50   (   0.06,-135.42) (   0.07,-135.39)    4.04                80
 04/25/2016   11:24:31   (   0.06,-135.41) (  -0.58,-132.64)  316.78                80