Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 3 22.  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)
 03/23/2015   10:54:37   (   0.00,-134.94) (  -0.53,-132.52)  275.37                80
 03/25/2015   23:17:05   (  -0.01,-134.81) (  -0.69,-137.90)  352.64                80
 03/26/2015   23:05:55   (  -0.01,-134.77) (  -0.10,-135.19)   47.71                80
 03/27/2015   22:57:24   (  -0.01,-134.73) (   0.50,-132.47)  257.14                80
 03/30/2015   11:19:36   (   0.01,-134.66) (   0.70,-137.80)  356.91                80
 03/31/2015   11:08:25   (   0.01,-134.62) (   0.11,-135.08)   52.54                80
 04/01/2015   10:54:35   (   0.01,-134.57) (  -0.48,-132.36)  251.71                80
 04/03/2015   23:17:00   (  -0.01,-134.42) (  -0.76,-137.73)  378.00                80
 04/04/2015   23:05:49   (  -0.01,-134.37) (  -0.14,-135.02)   73.91                80