Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 4 27.  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)
 04/28/2015   10:54:14   (   0.07,-135.43) (  -0.77,-131.89)  404.28                80
 04/30/2015   23:16:29   (  -0.06,-135.42) (  -0.49,-137.21)  204.55                80
 05/01/2015   23:07:58   (  -0.06,-135.44) (   0.13,-134.50)  106.85                80
 05/02/2015   22:56:46   (  -0.07,-135.45) (   0.76,-131.78)  418.04                80
 05/04/2015   11:27:33   (   0.06,-135.51) (   1.07,-139.83)  494.20                80
 05/05/2015   11:16:22   (   0.06,-135.51) (   0.45,-137.12)  183.56                80
 05/06/2015   11:07:50   (   0.06,-135.52) (  -0.18,-134.40)  126.95                80
 05/07/2015   10:56:39   (   0.06,-135.52) (  -0.81,-131.69)  437.24                80
 05/08/2015   23:27:24   (  -0.06,-135.48) (  -1.04,-139.73)  484.98                80
 05/09/2015   23:16:13   (  -0.06,-135.48) (  -0.40,-137.02)  175.04                80
 05/10/2015   23:07:40   (  -0.06,-135.48) (   0.19,-134.29)  134.83                80