Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 1 19.  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)
 01/21/2016   23:41:50   (   0.09,-134.99) (  -0.62,-138.09)  354.36                80
 01/22/2016   23:30:32   (   0.09,-135.02) (   0.04,-135.36)   37.88                80
 01/23/2016   23:16:34   (   0.08,-135.05) (   0.64,-132.60)  278.83                80
 01/26/2016   11:38:34   (  -0.08,-135.18) (   0.56,-137.86)  306.52                80
 01/27/2016   11:29:56   (  -0.08,-135.21) (  -0.10,-135.12)    9.85                80
 01/28/2016   11:18:38   (  -0.08,-135.24) (  -0.71,-132.37)  326.12                80
 01/30/2016   23:40:36   (   0.08,-135.24) (  -0.47,-137.63)  272.64                80
 01/31/2016   23:26:38   (   0.08,-135.26) (   0.19,-134.89)   43.19                80
 02/01/2016   23:15:20   (   0.07,-135.28) (   0.80,-132.14)  358.64                80