Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 6 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)
 07/03/2017   13:59:15   (  80.76, -81.79) 07/03/2017   14:00:26  (  80.83, -79.99)   32.89                71
 07/03/2017   14:50:07   ( -80.82,  87.38) 07/03/2017   14:51:11  ( -80.83,  87.30)    1.84                64
 07/03/2017   15:41:11   (  80.82,-105.27) 07/03/2017   15:41:56  (  80.83,-105.40)    2.48                45
 07/03/2017   16:32:08   ( -80.82,  62.09) 07/03/2017   16:32:40  ( -80.81,  62.24)    3.03                32
 07/03/2017   17:23:13   (  80.82,-130.93) 07/03/2017   17:23:26  (  80.83,-130.82)    2.46                13
 07/03/2017   18:14:10   ( -80.82,  36.42) 07/03/2017   18:14:11  ( -80.83,  36.47)    1.56                 1
 07/03/2017   19:05:14   (  80.82,-156.22) 07/03/2017   19:04:56  (  80.83,-156.23)    1.08                18
 07/03/2017   19:56:11   ( -80.83,  11.12) 07/03/2017   19:55:41  ( -80.83,  11.06)    1.55                30
 07/03/2017   20:47:15   (  80.83, 178.48) 07/03/2017   20:46:26  (  80.84, 178.35)    2.42                49