Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2016 7 13.  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)
 07/16/2016   23:18:49   ( -80.99, -42.72) 07/16/2016   23:19:55  ( -80.99, -42.71)    0.36                66
 07/17/2016   00:09:54   (  80.98, 124.39) 07/17/2016   00:10:40  (  80.99, 124.53)    2.56                46
 07/17/2016   01:00:51   ( -80.99, -68.22) 07/17/2016   01:01:25  ( -80.99, -68.13)    1.65                34
 07/17/2016   01:51:55   (  80.99,  99.26) 07/17/2016   01:52:10  (  80.99,  99.11)    2.76                15
 07/17/2016   02:42:53   ( -80.99, -93.72) 07/17/2016   02:42:55  ( -80.99, -93.55)    3.02                 2
 07/17/2016   03:33:57   (  80.99,  73.76) 07/17/2016   03:33:40  (  81.00,  73.69)    1.49                17
 07/17/2016   04:24:53   ( -80.99,-118.84) 07/17/2016   04:24:24  ( -80.99,-118.97)    2.30                29
 07/17/2016   05:15:58   (  80.99,  48.26) 07/17/2016   05:15:09  (  81.00,  48.27)    1.02                49