Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2014 9 18.  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)
 09/18/2014   22:56:40   (  -0.30,-135.09) (  -0.23,-134.83)   29.75                80
 09/19/2014   22:45:39   (  -0.30,-135.12) (   0.40,-132.16)  337.99                80
 09/22/2014   11:05:37   (   0.27,-135.19) (   0.84,-137.60)  274.97                80
 09/23/2014   10:57:15   (   0.27,-135.21) (   0.18,-134.93)   33.09                80
 09/24/2014   10:46:13   (   0.28,-135.24) (  -0.41,-132.25)  340.85                80
 09/26/2014   23:06:14   (  -0.25,-135.28) (  -0.83,-137.70)  276.60                80
 09/27/2014   22:57:53   (  -0.26,-135.30) (  -0.19,-135.03)   30.62                80
 09/28/2014   22:46:51   (  -0.26,-135.32) (   0.40,-132.35)  337.67                80
 10/01/2014   11:06:46   (   0.23,-135.35) (   0.76,-137.79)  277.39                80