Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 6 24.  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   13:59:17   (  80.73, -82.81) 07/03/2017   14:00:23  (  80.78, -79.14)   65.94                66
 07/03/2017   14:50:06   ( -80.82,  87.43) 07/03/2017   14:51:10  ( -80.82,  87.43)    0.10                64
 07/03/2017   15:41:10   (  80.82,-105.21) 07/03/2017   15:41:55  (  80.82,-105.26)    0.82                45
 07/03/2017   16:32:07   ( -80.83,  62.13) 07/03/2017   16:32:40  ( -80.82,  62.02)    2.09                33
 07/03/2017   17:23:11   (  80.83,-130.51) 07/03/2017   17:23:25  (  80.82,-130.67)    2.98                14
 07/03/2017   18:14:09   ( -80.82,  36.47) 07/03/2017   18:14:10  ( -80.82,  36.60)    2.42                 1
 07/03/2017   19:05:13   (  80.82,-156.17) 07/03/2017   19:04:55  (  80.83,-156.09)    1.45                18
 07/03/2017   19:56:10   ( -80.83,  11.17) 07/03/2017   19:55:40  ( -80.83,  11.19)    0.35                30
 07/03/2017   20:47:14   (  80.83, 178.54) 07/03/2017   20:46:25  (  80.83, 178.50)    0.75                49