Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 3 9.  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)
 03/10/2016   11:43:10   (   0.01,-134.82) (   0.74,-138.08)  371.57                80
 03/11/2016   11:31:50   (   0.01,-134.78) (   0.13,-135.32)   61.77                80
 03/12/2016   11:23:11   (   0.01,-134.74) (  -0.48,-132.57)  247.89                80
 03/14/2016   23:45:15   (  -0.01,-134.62) (  -0.76,-137.83)  366.84                80
 03/15/2016   23:33:56   (  -0.01,-134.58) (  -0.10,-135.09)   57.84                80
 03/16/2016   23:19:57   (  -0.01,-134.53) (   0.50,-132.33)  251.22                80
 03/19/2016   11:41:43   (   0.01,-134.43) (   0.73,-137.53)  353.33                80
 03/20/2016   11:30:23   (   0.01,-134.38) (   0.12,-134.77)   44.44                80
 03/21/2016   11:21:44   (   0.01,-134.34) (  -0.50,-132.02)  264.43                80