Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2016 12 22.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2016   15:54:25   ( -80.92,  69.67) 12/25/2016   15:55:32  ( -80.93,  69.53)    2.48                67
 12/25/2016   16:45:22   (  80.92,-123.25) 12/25/2016   16:46:17  (  80.93,-123.18)    1.76                55
 12/25/2016   17:36:27   ( -80.92,  44.09) 12/25/2016   17:37:02  ( -80.93,  44.12)    1.18                35
 12/25/2016   18:27:23   (  80.93,-148.46) 12/25/2016   18:27:47  (  80.93,-148.60)    2.54                24
 12/25/2016   19:18:28   ( -80.93,  18.89) 12/25/2016   19:18:31  ( -80.92,  19.06)    3.23                 3
 12/25/2016   20:09:25   (  80.92,-174.04) 12/25/2016   20:09:17  (  80.94,-174.01)    1.34                 8
 12/25/2016   21:00:30   ( -80.93,  -6.69) 12/25/2016   21:00:02  ( -80.94,  -6.72)    1.23                28
 12/25/2016   21:51:26   (  80.93, 160.75) 12/25/2016   21:50:47  (  80.94, 160.57)    3.31                39
 12/25/2016   22:42:31   ( -80.93, -31.90) 12/25/2016   22:41:31  ( -80.92, -31.78)    2.37                60