Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 10 1.  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)
 10/03/2015   11:29:18   (   0.20,-135.09) (   0.78,-137.72)  299.10                80
 10/04/2015   11:20:42   (   0.20,-135.07) (   0.18,-134.98)   10.27                80
 10/05/2015   11:09:27   (   0.21,-135.04) (  -0.43,-132.24)  319.51                80
 10/07/2015   23:28:55   (  -0.17,-134.98) (  -0.73,-137.55)  292.51                80
 10/08/2015   23:20:19   (  -0.18,-134.95) (  -0.13,-134.81)   16.63                80
 10/09/2015   23:09:04   (  -0.18,-134.93) (   0.47,-132.07)  325.73                80
 10/12/2015   11:28:28   (   0.15,-134.86) (   0.72,-137.36)  284.47                80
 10/13/2015   11:19:52   (   0.15,-134.83) (   0.10,-134.62)   24.14                80
 10/14/2015   11:08:37   (   0.16,-134.80) (  -0.52,-131.89)  332.64                80