Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 9 8.  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)
 09/08/2016   23:34:30   (  -0.32,-135.40) (   0.61,-131.37)  460.65                80
 09/10/2016   12:04:58   (   0.28,-135.46) (   1.16,-139.34)  441.65                80
 09/11/2016   11:53:35   (   0.29,-135.47) (   0.54,-136.57)  125.42                80
 09/12/2016   11:44:53   (   0.29,-135.47) (  -0.08,-133.80)  190.64                80
 09/15/2016   00:04:03   (  -0.26,-135.43) (  -1.07,-139.02)  409.02                80
 09/15/2016   23:52:40   (  -0.26,-135.43) (  -0.44,-136.25)   93.12                80
 09/16/2016   23:43:58   (  -0.27,-135.43) (   0.20,-133.48)  222.64                80
 09/19/2016   12:03:05   (   0.24,-135.47) (   0.97,-138.68)  366.44                80
 09/20/2016   11:51:42   (   0.25,-135.47) (   0.35,-135.92)   51.46                80
 09/21/2016   11:43:00   (   0.25,-135.46) (  -0.28,-133.15)  263.30                80