Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 7.  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)
 12/08/2015   23:33:44   (   0.09,-135.34) (  -0.42,-137.64)  261.19                80
 12/09/2015   23:25:07   (   0.08,-135.33) (   0.17,-134.89)   49.94                80
 12/10/2015   23:13:49   (   0.08,-135.31) (   0.77,-132.14)  360.95                80
 12/13/2015   11:33:04   (  -0.09,-135.29) (   0.41,-137.38)  239.06                80
 12/14/2015   11:24:28   (  -0.09,-135.27) (  -0.23,-134.65)   70.98                80
 12/15/2015   11:13:10   (  -0.08,-135.24) (  -0.82,-131.90)  380.85                80
 12/17/2015   23:32:37   (   0.10,-135.13) (  -0.39,-137.19)  235.66                80
 12/18/2015   23:23:59   (   0.10,-135.10) (   0.23,-134.44)   74.02                80
 12/19/2015   23:12:42   (   0.09,-135.06) (   0.84,-131.70)  383.60                80