Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2016 8 11.  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)
 08/12/2016   19:49:18   ( -80.98,  10.01) 08/12/2016   19:50:20  ( -80.97,  10.03)    0.99                62
 08/12/2016   20:40:16   (  80.98, 177.30) 08/12/2016   20:41:05  (  80.97, 177.28)    0.81                49
 08/12/2016   21:31:20   ( -80.98, -15.49) 08/12/2016   21:31:50  ( -80.97, -15.40)    1.82                30
 08/12/2016   22:22:18   (  80.98, 151.79) 08/12/2016   22:22:35  (  80.98, 151.86)    1.35                17
 08/12/2016   23:13:22   ( -80.98, -41.00) 08/12/2016   23:13:20  ( -80.98, -40.82)    3.17                 2
 08/13/2016   00:04:20   (  80.98, 126.27) 08/13/2016   00:04:05  (  80.98, 126.43)    2.84                15
 08/13/2016   00:55:23   ( -80.98, -66.14) 08/13/2016   00:54:50  ( -80.98, -66.25)    2.04                33
 08/13/2016   01:46:21   (  80.98, 101.13) 08/13/2016   01:45:35  (  80.98, 101.01)    2.23                46