Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 11 1.  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)
 11/03/2017   14:44:32   ( -80.74,  90.54) 11/03/2017   14:45:36  ( -80.76,  90.41)    2.82                64
 11/03/2017   15:35:35   (  80.75,-102.10) 11/03/2017   15:36:21  (  80.75,-102.21)    2.12                46
 11/03/2017   16:26:33   ( -80.75,  65.19) 11/03/2017   16:27:05  ( -80.74,  65.34)    2.99                32
 11/03/2017   17:17:36   (  80.75,-127.45) 11/03/2017   17:17:51  (  80.76,-127.63)    3.16                15
 11/03/2017   18:08:34   ( -80.75,  39.83) 11/03/2017   18:08:35  ( -80.74,  39.93)    2.22                 1
 11/03/2017   18:59:38   (  80.75,-153.16) 11/03/2017   18:59:21  (  80.76,-153.04)    2.58                17
 11/03/2017   19:50:35   ( -80.76,  14.48) 11/03/2017   19:50:05  ( -80.74,  14.52)    1.78                30
 11/03/2017   20:41:39   (  80.75,-178.51) 11/03/2017   20:40:51  (  80.76,-178.45)    1.51                48