Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 4 23.  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)
 04/23/2015   22:57:01   (  -0.06,-135.29) (   0.72,-131.98)  378.38                80
 04/26/2015   11:19:16   (   0.06,-135.39) (   0.50,-137.31)  219.46                80
 04/27/2015   11:05:24   (   0.06,-135.41) (  -0.11,-134.59)   92.34                80
 04/28/2015   10:54:13   (   0.07,-135.42) (  -0.72,-131.88)  404.04                80
 04/30/2015   23:16:28   (  -0.07,-135.42) (  -0.50,-137.21)  204.97                80
 05/01/2015   23:07:56   (  -0.07,-135.43) (   0.13,-134.49)  106.49                80
 05/02/2015   22:56:45   (  -0.07,-135.44) (   0.78,-131.78)  417.74                80
 05/04/2015   11:27:32   (   0.06,-135.50) (   1.04,-139.83)  494.12                80
 05/05/2015   11:16:20   (   0.06,-135.51) (   0.45,-137.11)  183.40                80
 05/06/2015   11:07:48   (   0.06,-135.51) (  -0.19,-134.40)  127.19                80
 05/07/2015   10:56:37   (   0.06,-135.51) (  -0.84,-131.69)  437.61                80