Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 11 20.  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)
 11/20/2016   12:00:19   (  -0.05,-135.33) (   0.23,-136.60)  144.28                80
 11/21/2016   11:51:36   (  -0.05,-135.35) (  -0.42,-133.83)  173.85                80
 11/22/2016   11:40:11   (  -0.04,-135.36) (  -1.03,-131.05)  491.91                80
 11/24/2016   00:10:48   (   0.08,-135.34) (  -0.79,-139.04)  423.19                80
 11/24/2016   23:59:24   (   0.07,-135.35) (  -0.14,-136.27)  105.33                80
 11/25/2016   23:50:41   (   0.06,-135.36) (   0.51,-133.50)  212.39                80
 11/28/2016   12:09:36   (  -0.08,-135.42) (   0.66,-138.65)  368.14                80
 11/29/2016   11:58:11   (  -0.07,-135.43) (   0.06,-135.87)   50.95                80
 11/30/2016   11:49:28   (  -0.07,-135.43) (  -0.61,-133.10)  266.18                80
 12/03/2016   00:08:41   (   0.08,-135.39) (  -0.58,-138.32)  334.49                80
 12/03/2016   23:57:16   (   0.08,-135.39) (   0.03,-135.54)   18.05                80