Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 4 21.  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)
 04/21/2015   23:16:43   (  -0.06,-135.24) (  -0.56,-137.40)  247.07                80
 04/22/2015   23:08:11   (  -0.06,-135.26) (   0.04,-134.69)   65.10                80
 04/23/2015   22:57:01   (  -0.06,-135.28) (   0.71,-131.98)  377.02                80
 04/26/2015   11:19:16   (   0.06,-135.38) (   0.53,-137.31)  221.02                80
 04/27/2015   11:05:25   (   0.06,-135.39) (  -0.13,-134.60)   90.64                80
 04/28/2015   10:54:14   (   0.07,-135.41) (  -0.74,-131.88)  402.16                80
 04/30/2015   23:16:30   (  -0.07,-135.40) (  -0.46,-137.22)  207.38                80
 05/01/2015   23:07:58   (  -0.07,-135.41) (   0.17,-134.51)  103.94                80
 05/02/2015   22:56:46   (  -0.07,-135.42) (   0.74,-131.78)  414.99                80
 05/04/2015   11:27:34   (   0.06,-135.48) (   1.04,-139.84)  496.93                80