Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 6 20.  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, -81.93) 07/03/2017   14:00:25  (  80.81, -79.75)   39.38                70
 07/03/2017   14:50:06   ( -80.83,  87.62) 07/03/2017   14:51:10  ( -80.81,  87.55)    1.81                64
 07/03/2017   15:41:10   (  80.83,-105.04) 07/03/2017   15:41:55  (  80.82,-105.16)    2.48                45
 07/03/2017   16:32:08   ( -80.82,  61.96) 07/03/2017   16:32:40  ( -80.82,  62.14)    3.19                32
 07/03/2017   17:23:12   (  80.82,-130.70) 07/03/2017   17:23:25  (  80.82,-130.58)    2.38                13
 07/03/2017   18:14:09   ( -80.83,  36.66) 07/03/2017   18:14:10  ( -80.82,  36.72)    1.43                 1
 07/03/2017   19:05:13   (  80.83,-156.00) 07/03/2017   19:04:55  (  80.82,-155.99)    1.06                18
 07/03/2017   19:56:10   ( -80.83,  11.36) 07/03/2017   19:55:40  ( -80.82,  11.31)    1.59                30
 07/03/2017   20:47:14   (  80.83, 178.71) 07/03/2017   20:46:25  (  80.82, 178.59)    2.45                49