Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 3 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)
 03/11/2016   11:31:50   (   0.01,-134.78) (   0.13,-135.32)   61.67                80
 03/12/2016   11:23:11   (   0.01,-134.74) (  -0.48,-132.57)  248.00                80
 03/14/2016   23:45:15   (  -0.01,-134.62) (  -0.76,-137.83)  366.78                80
 03/15/2016   23:33:56   (  -0.01,-134.58) (  -0.10,-135.09)   57.79                80
 03/16/2016   23:19:57   (  -0.01,-134.53) (   0.51,-132.33)  251.31                80
 03/19/2016   11:41:43   (   0.02,-134.43) (   0.73,-137.53)  353.07                80
 03/20/2016   11:30:23   (   0.01,-134.39) (   0.11,-134.77)   44.13                80
 03/21/2016   11:21:44   (   0.01,-134.34) (  -0.51,-132.02)  264.74                80
 03/23/2016   23:43:48   (  -0.02,-134.20) (  -0.70,-137.29)  351.94                80