Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 5 23.  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)
 05/24/2015   11:07:11   (   0.01,-135.28) (  -0.26,-133.95)  151.11                80
 05/25/2015   10:56:00   (   0.02,-135.26) (  -0.93,-131.25)  459.26                80
 05/26/2015   23:26:45   (  -0.00,-135.21) (  -0.93,-139.28)  464.61                80
 05/27/2015   23:15:33   (  -0.00,-135.19) (  -0.32,-136.56)  156.83                80
 05/28/2015   23:07:00   (  -0.01,-135.16) (   0.28,-133.84)  150.79                80
 05/29/2015   22:55:48   (  -0.01,-135.14) (   0.89,-131.12)  458.26                80
 05/31/2015   11:26:33   (  -0.01,-135.11) (   0.90,-139.16)  461.88                80
 06/01/2015   11:15:21   (  -0.01,-135.08) (   0.27,-136.44)  154.78                80
 06/02/2015   11:06:47   (  -0.01,-135.05) (  -0.30,-133.71)  152.16                80
 06/03/2015   10:55:35   (  -0.01,-135.02) (  -0.93,-130.99)  458.89                80
 06/04/2015   23:26:22   (   0.03,-134.94) (  -0.90,-139.05)  468.08                80
 06/05/2015   23:15:09   (   0.03,-134.90) (  -0.28,-136.32)  161.89                80