Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 9 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)
 09/11/2016   11:53:36   (   0.29,-135.47) (   0.52,-136.57)  125.29                80
 09/12/2016   11:44:53   (   0.29,-135.47) (  -0.10,-133.80)  190.82                80
 09/15/2016   00:04:03   (  -0.26,-135.43) (  -1.05,-139.02)  408.81                80
 09/15/2016   23:52:40   (  -0.26,-135.43) (  -0.47,-136.24)   92.88                80
 09/16/2016   23:43:57   (  -0.27,-135.43) (   0.17,-133.48)  222.93                80
 09/19/2016   12:03:04   (   0.24,-135.48) (   1.00,-138.68)  365.97                80
 09/20/2016   11:51:41   (   0.25,-135.47) (   0.37,-135.91)   50.99                80
 09/21/2016   11:42:59   (   0.25,-135.46) (  -0.26,-133.14)  263.88                80
 09/24/2016   00:02:06   (  -0.22,-135.38) (  -0.92,-138.34)  339.14                80