Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2014 9 21.  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)
 09/22/2014   11:05:37   (   0.27,-135.19) (   0.80,-137.61)  275.29                80
 09/23/2014   10:57:15   (   0.27,-135.21) (   0.20,-134.93)   32.68                80
 09/24/2014   10:46:12   (   0.28,-135.23) (  -0.40,-132.25)  340.52                80
 09/26/2014   23:06:15   (  -0.25,-135.28) (  -0.79,-137.71)  277.05                80
 09/27/2014   22:57:53   (  -0.26,-135.30) (  -0.21,-135.03)   30.11                80
 09/28/2014   22:46:51   (  -0.26,-135.31) (   0.43,-132.36)  337.08                80
 10/01/2014   11:06:46   (   0.23,-135.35) (   0.81,-137.78)  278.18                80
 10/02/2014   10:58:24   (   0.23,-135.36) (   0.20,-135.10)   28.23                80
 10/03/2014   10:47:21   (   0.24,-135.36) (  -0.41,-132.43)  334.21                80