Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 11 13.  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,-151.94) 11/17/2017   06:56:07  ( -80.73,-151.80)    2.45                69
 11/17/2017   07:46:03   (  80.74,  15.49) 11/17/2017   07:46:52  (  80.73,  15.51)    1.12                49
 11/17/2017   08:36:59   ( -80.74,-177.30) 11/17/2017   08:37:37  ( -80.73,-177.22)    1.58                38
 11/17/2017   09:28:04   (  80.74,  -9.86) 11/17/2017   09:28:22  (  80.73,  -9.90)    1.52                18
 11/17/2017   10:19:00   ( -80.74, 157.34) 11/17/2017   10:19:07  ( -80.73, 157.37)    0.99                 7
 11/17/2017   11:10:05   (  80.75, -35.22) 11/17/2017   11:09:52  (  80.73, -35.32)    2.37                13
 11/17/2017   12:01:01   ( -80.75, 131.98) 11/17/2017   12:00:37  ( -80.74, 131.95)    1.21                24
 11/17/2017   12:52:06   (  80.74, -60.94) 11/17/2017   12:51:22  (  80.76, -61.08)    3.08                44
 11/17/2017   13:43:01   ( -80.75, 106.62) 11/17/2017   13:42:06  ( -80.74, 106.54)    1.99                55