Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 7 27.  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)
 07/28/2015   23:23:27   (   0.25,-135.12) (  -0.30,-137.50)  271.35                80
 07/29/2015   23:14:53   (   0.25,-135.11) (   0.34,-134.77)   38.76                80
 07/30/2015   23:03:39   (   0.25,-135.10) (   0.93,-132.04)  348.64                80
 08/02/2015   11:23:01   (  -0.26,-135.06) (   0.26,-137.32)  258.28                80
 08/03/2015   11:14:27   (  -0.26,-135.04) (  -0.37,-134.59)   51.18                80
 08/04/2015   11:03:14   (  -0.26,-135.03) (  -1.00,-131.87)  360.55                80
 08/06/2015   23:22:50   (   0.27,-135.00) (  -0.25,-137.20)  251.73                80
 08/07/2015   23:14:16   (   0.27,-134.98) (   0.40,-134.48)   57.20                80
 08/08/2015   23:03:02   (   0.27,-134.95) (   1.00,-131.74)  365.94                80