Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 4 19.  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)
 04/19/2015   10:54:25   (   0.05,-135.23) (  -0.68,-132.06)  361.04                80
 04/21/2015   23:16:43   (  -0.06,-135.24) (  -0.58,-137.40)  247.12                80
 04/22/2015   23:08:12   (  -0.06,-135.26) (   0.09,-134.70)   64.99                80
 04/23/2015   22:57:01   (  -0.06,-135.28) (   0.69,-131.98)  376.98                80
 04/26/2015   11:19:17   (   0.06,-135.38) (   0.49,-137.32)  221.20                80
 04/27/2015   11:05:25   (   0.06,-135.39) (  -0.11,-134.60)   90.43                80
 04/28/2015   10:54:14   (   0.07,-135.41) (  -0.72,-131.88)  401.97                80
 04/30/2015   23:16:30   (  -0.07,-135.40) (  -0.48,-137.22)  207.42                80
 05/01/2015   23:07:58   (  -0.07,-135.41) (   0.15,-134.50)  103.84                80
 05/02/2015   22:56:47   (  -0.07,-135.42) (   0.77,-131.79)  414.92                80