Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 9 30.  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)
 10/03/2016   00:00:10   (  -0.17,-135.28) (  -0.71,-137.67)  272.84                80
 10/03/2016   23:51:26   (  -0.18,-135.26) (  -0.11,-134.89)   40.95                80
 10/04/2016   23:40:04   (  -0.18,-135.23) (   0.54,-132.13)  354.55                80
 10/07/2016   11:59:11   (   0.15,-135.21) (   0.63,-137.34)  242.12                80
 10/08/2016   11:50:28   (   0.15,-135.18) (   0.03,-134.56)   70.71                80
 10/09/2016   11:39:06   (   0.16,-135.15) (  -0.63,-131.80)  383.39                80
 10/11/2016   23:58:10   (  -0.12,-135.02) (  -0.58,-136.98)  223.83                80
 10/12/2016   23:49:27   (  -0.13,-134.99) (   0.02,-134.21)   88.45                80
 10/13/2016   23:38:04   (  -0.13,-134.95) (   0.69,-131.44)  400.61                80