Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 9 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)
 09/23/2013   10:28:51   (   0.34,-135.48) (  -0.52,-131.64)  437.64                80
 09/25/2013   22:49:31   (  -0.30,-135.39) (  -0.70,-137.26)  212.66                80
 09/26/2013   22:41:22   (  -0.30,-135.38) (  -0.12,-134.64)   84.76                80
 09/27/2013   22:30:32   (  -0.31,-135.37) (   0.46,-132.02)  382.14                80
 09/30/2013   10:50:56   (   0.27,-135.39) (   0.79,-137.57)  249.73                80
 10/01/2013   10:42:47   (   0.27,-135.37) (   0.20,-134.95)   47.28                80
 10/02/2013   10:31:57   (   0.28,-135.35) (  -0.40,-132.33)  344.11                80
 10/04/2013   22:52:38   (  -0.24,-135.23) (  -0.84,-137.95)  310.63                80
 10/05/2013   22:41:49   (  -0.25,-135.20) (  -0.26,-135.33)   14.43                80