Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 1 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)
 01/22/2016   23:27:52   (   0.09,-135.01) (   0.01,-135.35)   38.10                80
 01/23/2016   23:19:14   (   0.08,-135.04) (   0.66,-132.61)  278.27                80
 01/26/2016   11:41:14   (  -0.08,-135.17) (   0.54,-137.87)  307.84                80
 01/27/2016   11:27:17   (  -0.08,-135.20) (  -0.12,-135.13)    8.61                80
 01/28/2016   11:15:58   (  -0.08,-135.22) (  -0.72,-132.38)  324.30                80
 01/30/2016   23:40:36   (   0.08,-135.22) (  -0.47,-137.63)  274.85                80
 01/31/2016   23:26:39   (   0.08,-135.24) (   0.19,-134.89)   40.77                80
 02/01/2016   23:15:20   (   0.07,-135.26) (   0.79,-132.14)  355.97                80
 02/04/2016   11:37:19   (  -0.07,-135.36) (   0.41,-137.39)  232.76                80