Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 9 14.  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)
 09/15/2015   11:30:50   (   0.29,-135.26) (   0.99,-138.39)  356.29                80
 09/16/2015   11:19:34   (   0.30,-135.27) (   0.41,-135.65)   44.38                80
 09/17/2015   11:11:00   (   0.30,-135.27) (  -0.23,-132.92)  267.56                80
 09/19/2015   23:30:27   (  -0.27,-135.27) (  -0.93,-138.22)  336.34                80
 09/20/2015   23:19:11   (  -0.28,-135.27) (  -0.35,-135.48)   25.16                80
 09/21/2015   23:10:37   (  -0.28,-135.27) (   0.29,-132.76)  286.08                80
 09/24/2015   11:30:06   (   0.24,-135.24) (   0.86,-138.07)  321.50                80
 09/25/2015   11:18:50   (   0.25,-135.23) (   0.27,-135.33)   11.02                80
 09/26/2015   11:10:15   (   0.25,-135.22) (  -0.32,-132.59)  299.35                80