Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 9 16.  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)
 09/23/2017   13:21:59   (  80.67, -72.30) 09/23/2017   13:23:04  (  80.69, -68.30)   72.02                65
 09/23/2017   14:12:58   ( -80.76,  97.61) 09/23/2017   14:13:53  ( -80.78,  97.54)    1.87                55
 09/23/2017   15:03:53   (  80.77, -95.12) 09/23/2017   15:04:38  (  80.77, -95.08)    1.21                45
 09/23/2017   15:54:58   ( -80.77,  72.27) 09/23/2017   15:55:22  ( -80.78,  72.15)    2.48                24
 09/23/2017   16:45:53   (  80.77,-120.45) 09/23/2017   16:46:07  (  80.78,-120.48)    0.71                14
 09/23/2017   17:36:59   ( -80.78,  46.94) 09/23/2017   17:36:51  ( -80.76,  47.10)    3.30                 8
 09/23/2017   18:27:54   (  80.78,-145.78) 09/23/2017   18:27:37  (  80.78,-145.87)    1.57                17
 09/23/2017   19:19:01   ( -80.77,  21.25) 09/23/2017   19:18:22  ( -80.78,  21.36)    2.35                39
 09/23/2017   20:09:55   (  80.78,-171.12) 09/23/2017   20:09:07  (  80.78,-171.27)    2.70                48