Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 6 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)
 06/10/2016   23:49:44   (   0.07,-135.24) (  -0.49,-137.74)  284.35                80
 06/11/2016   23:41:04   (   0.07,-135.27) (   0.16,-134.98)   33.47                80
 06/12/2016   23:29:42   (   0.06,-135.30) (   0.75,-132.21)  351.08                80
 06/15/2016   11:48:54   (  -0.09,-135.38) (   0.40,-137.44)  235.63                80
 06/16/2016   11:40:14   (  -0.09,-135.40) (  -0.27,-134.69)   81.65                80
 06/17/2016   11:28:52   (  -0.08,-135.42) (  -0.87,-131.93)  398.74                80
 06/19/2016   23:48:05   (   0.11,-135.44) (  -0.30,-137.15)  195.74                80
 06/20/2016   23:39:25   (   0.11,-135.46) (   0.35,-134.40)  120.59                80
 06/21/2016   23:28:04   (   0.10,-135.47) (   1.01,-131.65)  436.78                80
 06/23/2016   11:58:35   (  -0.13,-135.51) (   0.79,-139.62)  468.98                80