Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 8 4.  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)
 08/06/2015   23:22:50   (   0.27,-135.01) (  -0.21,-137.20)  249.35                80
 08/07/2015   23:14:15   (   0.27,-134.99) (   0.39,-134.47)   59.60                80
 08/08/2015   23:03:01   (   0.27,-134.97) (   0.98,-131.74)  368.42                80
 08/11/2015   11:22:25   (  -0.29,-134.88) (   0.18,-137.03)  243.87                80
 08/12/2015   11:13:50   (  -0.29,-134.86) (  -0.41,-134.29)   64.56                80
 08/13/2015   11:02:37   (  -0.29,-134.84) (  -1.05,-131.57)  372.90                80
 08/15/2015   23:22:11   (   0.30,-134.80) (  -0.15,-136.90)  238.47                80
 08/16/2015   23:13:36   (   0.30,-134.77) (   0.46,-134.17)   69.84                80
 08/17/2015   23:02:22   (   0.30,-134.74) (   1.08,-131.44)  377.93                80