Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 4 13.  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)
 04/13/2015   23:08:22   (  -0.05,-135.03) (  -0.04,-134.86)   19.33                80
 04/14/2015   22:57:11   (  -0.05,-135.06) (   0.60,-132.15)  332.10                80
 04/17/2015   11:19:26   (   0.05,-135.17) (   0.58,-137.49)  264.06                80
 04/18/2015   11:05:36   (   0.05,-135.20) (  -0.05,-134.78)   48.24                80
 04/19/2015   10:54:25   (   0.05,-135.22) (  -0.68,-132.07)  360.42                80
 04/21/2015   23:16:44   (  -0.05,-135.25) (  -0.53,-137.42)  246.98                80
 04/22/2015   23:08:13   (  -0.06,-135.27) (   0.07,-134.70)   65.07                80
 04/23/2015   22:57:02   (  -0.06,-135.29) (   0.72,-131.99)  377.04                80
 04/26/2015   11:19:18   (   0.06,-135.37) (   0.49,-137.33)  222.17                80
 04/27/2015   11:05:27   (   0.06,-135.39) (  -0.10,-134.60)   89.39                80