Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 11 12.  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)
 11/17/2017   06:54:58   ( -80.73,-152.01) 11/17/2017   06:56:07  ( -80.73,-151.87)    2.50                69
 11/17/2017   07:46:03   (  80.74,  15.41) 11/17/2017   07:46:52  (  80.73,  15.43)    0.45                49
 11/17/2017   08:36:59   ( -80.73,-177.37) 11/17/2017   08:37:37  ( -80.73,-177.29)    1.51                38
 11/17/2017   09:28:04   (  80.74,  -9.94) 11/17/2017   09:28:22  (  80.74,  -9.98)    0.87                18
 11/17/2017   10:19:00   ( -80.74, 157.27) 11/17/2017   10:19:07  ( -80.74, 157.30)    0.55                 7
 11/17/2017   11:10:05   (  80.74, -35.30) 11/17/2017   11:09:52  (  80.74, -35.40)    1.88                13
 11/17/2017   12:01:01   ( -80.74, 131.91) 11/17/2017   12:00:37  ( -80.74, 131.88)    0.58                24
 11/17/2017   12:52:06   (  80.75, -60.66) 11/17/2017   12:51:22  (  80.74, -60.81)    2.93                44
 11/17/2017   13:43:02   ( -80.75, 106.55) 11/17/2017   13:42:07  ( -80.74, 106.47)    1.54                55