Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 11 26.  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)
 11/30/2017   23:05:23   ( -80.69, -35.16) 11/30/2017   23:06:38  ( -80.75, -34.81)    8.84                75
 11/30/2017   23:56:26   (  80.72, 132.99) 11/30/2017   23:57:21  (  80.71, 133.15)    3.31                55
 12/01/2017   00:47:22   ( -80.72, -59.81) 12/01/2017   00:48:07  ( -80.73, -59.88)    1.46                45
 12/01/2017   01:38:28   (  80.72, 107.27) 12/01/2017   01:38:52  (  80.73, 107.38)    2.73                24
 12/01/2017   02:29:23   ( -80.73, -85.18) 12/01/2017   02:29:37  ( -80.73, -85.30)    2.22                14
 12/01/2017   03:20:29   (  80.72,  81.90) 12/01/2017   03:20:22  (  80.73,  81.97)    1.90                 7
 12/01/2017   04:11:24   ( -80.73,-110.54) 12/01/2017   04:11:07  ( -80.73,-110.71)    3.10                17
 12/01/2017   05:02:30   (  80.73,  56.53) 12/01/2017   05:01:52  (  80.74,  56.55)    1.26                38
 12/01/2017   05:53:26   ( -80.72,-136.26) 12/01/2017   05:52:37  ( -80.74,-136.13)    2.79                49