Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 3 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)
 03/22/2015   11:08:28   (   0.00,-134.97) (   0.04,-135.24)   30.41                80
 03/23/2015   10:54:37   (   0.00,-134.93) (  -0.53,-132.52)  274.61                80
 03/25/2015   23:17:05   (  -0.01,-134.80) (  -0.70,-137.90)  353.79                80
 03/26/2015   23:05:55   (  -0.00,-134.76) (  -0.10,-135.19)   48.91                80
 03/27/2015   22:57:24   (  -0.00,-134.72) (   0.49,-132.47)  255.89                80
 03/30/2015   11:19:36   (   0.01,-134.65) (   0.71,-137.79)  358.03                80
 03/31/2015   11:08:25   (   0.01,-134.61) (   0.12,-135.08)   53.73                80
 04/01/2015   10:54:35   (   0.01,-134.56) (  -0.47,-132.36)  250.48                80
 04/03/2015   23:17:00   (  -0.01,-134.40) (  -0.77,-137.73)  379.69                80