Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 3 8.  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)
 03/08/2015   23:05:55   (   0.01,-135.30) (  -0.02,-135.48)   20.71                80
 03/09/2015   22:57:25   (   0.02,-135.28) (   0.59,-132.77)  286.26                80
 03/12/2015   11:19:36   (  -0.01,-135.25) (   0.63,-138.09)  323.05                80
 03/13/2015   11:08:27   (  -0.01,-135.23) (   0.02,-135.38)   16.97                80
 03/14/2015   10:54:37   (  -0.01,-135.20) (  -0.60,-132.67)  288.96                80
 03/16/2015   23:17:06   (  -0.00,-135.10) (  -0.68,-138.05)  337.06                80
 03/17/2015   23:05:57   (   0.00,-135.07) (  -0.05,-135.34)   31.40                80
 03/18/2015   22:57:27   (   0.00,-135.04) (   0.58,-132.64)  274.17                80
 03/21/2015   11:19:37   (   0.00,-134.99) (   0.70,-137.94)  337.89                80