Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 3 20.  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)
 03/21/2015   11:19:37   (   0.01,-135.00) (   0.68,-137.94)  335.41                80
 03/22/2015   11:08:28   (   0.00,-134.97) (   0.05,-135.24)   30.38                80
 03/23/2015   10:54:37   (   0.00,-134.93) (  -0.52,-132.52)  274.59                80
 03/25/2015   23:17:05   (  -0.01,-134.80) (  -0.71,-137.90)  353.84                80
 03/26/2015   23:05:54   (  -0.00,-134.76) (  -0.12,-135.19)   49.00                80
 03/27/2015   22:57:25   (  -0.00,-134.72) (   0.54,-132.48)  255.81                80
 03/30/2015   11:19:36   (   0.01,-134.65) (   0.73,-137.79)  358.19                80
 03/31/2015   11:08:26   (   0.01,-134.61) (   0.09,-135.09)   54.01                80
 04/01/2015   10:54:36   (   0.01,-134.56) (  -0.50,-132.37)  250.23                80