Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 5 4.  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)
 05/05/2015   11:16:22   (   0.05,-135.46) (   0.44,-137.12)  189.65                80
 05/06/2015   11:07:51   (   0.05,-135.46) (  -0.18,-134.40)  120.33                80
 05/07/2015   10:56:39   (   0.05,-135.46) (  -0.80,-131.69)  430.09                80
 05/08/2015   23:27:24   (  -0.04,-135.42) (  -1.05,-139.72)  492.32                80
 05/09/2015   23:16:13   (  -0.04,-135.41) (  -0.42,-137.01)  182.87                80
 05/10/2015   23:07:42   (  -0.04,-135.40) (   0.21,-134.30)  126.46                80
 05/11/2015   22:56:30   (  -0.05,-135.40) (   0.85,-131.58)  435.69                80
 05/13/2015   11:27:17   (   0.04,-135.42) (   1.00,-139.63)  480.63                80
 05/14/2015   11:16:06   (   0.04,-135.41) (   0.36,-136.92)  171.75                80
 05/15/2015   11:07:33   (   0.04,-135.39) (  -0.22,-134.19)  137.03                80
 05/16/2015   10:56:22   (   0.04,-135.38) (  -0.86,-131.48)  445.64                80
 05/17/2015   23:27:07   (  -0.02,-135.32) (  -0.96,-139.52)  478.63                80