Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 12 11.  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)
 12/19/2019   15:33:43   ( -79.71,  90.44) 12/19/2019   15:34:54  ( -79.70,  90.44)    1.94                71
 12/19/2019   16:24:47   (  79.72,-102.29) 12/19/2019   16:25:39  (  79.69,-102.22)    2.94                52
 12/19/2019   17:15:44   ( -79.71,  64.86) 12/19/2019   17:16:24  ( -79.70,  65.02)    3.41                40
 12/19/2019   18:06:48   (  79.71,-127.87) 12/19/2019   18:07:10  (  79.73,-127.92)    2.44                22
 12/19/2019   18:57:44   ( -79.73,  39.56) 12/19/2019   18:57:54  ( -79.71,  39.61)    2.31                10
 12/19/2019   19:48:48   (  79.73,-153.16) 12/19/2019   19:48:40  (  79.73,-153.34)    3.53                 8
 12/19/2019   20:39:45   ( -79.72,  13.97) 12/19/2019   20:39:25  ( -79.74,  13.91)    3.03                20
 12/19/2019   21:30:49   (  79.72,-178.75) 12/19/2019   21:30:10  (  79.74,-178.75)    2.02                39
 12/19/2019   22:21:45   ( -79.74, -11.32) 12/19/2019   22:20:54  ( -79.72, -11.22)    2.98                51
 12/19/2019   23:12:49   (  79.74, 155.97) 12/19/2019   23:11:40  (  79.74, 155.83)    2.68                69