Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 11 27.  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   ( -80.70, -35.05) 11/30/2017   23:06:39  ( -80.76, -35.04)    7.25                76
 11/30/2017   23:56:27   (  80.72, 132.76) 11/30/2017   23:57:22  (  80.72, 132.92)    3.02                55
 12/01/2017   00:47:22   ( -80.73, -59.70) 12/01/2017   00:48:07  ( -80.72, -59.77)    1.36                45
 12/01/2017   01:38:28   (  80.72, 107.39) 12/01/2017   01:38:52  (  80.72, 107.51)    2.07                24
 12/01/2017   02:29:23   ( -80.73, -85.06) 12/01/2017   02:29:37  ( -80.73, -85.19)    2.32                14
 12/01/2017   03:20:29   (  80.73,  82.03) 12/01/2017   03:20:22  (  80.73,  82.09)    1.13                 7
 12/01/2017   04:11:25   ( -80.72,-110.78) 12/01/2017   04:11:07  ( -80.73,-110.60)    3.27                18
 12/01/2017   05:02:30   (  80.73,  56.66) 12/01/2017   05:01:52  (  80.73,  56.67)    0.20                38
 12/01/2017   05:53:26   ( -80.73,-136.15) 12/01/2017   05:52:37  ( -80.73,-136.02)    2.31                49