Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 10 9.  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)
 10/13/2018   22:20:49   ( -80.42, -18.56) 10/13/2018   22:21:54  ( -80.43, -18.67)    2.34                65
 10/13/2018   23:11:44   (  80.41, 148.62) 10/13/2018   23:12:39  (  80.42, 148.70)    1.88                55
 10/14/2018   00:02:50   ( -80.42, -44.06) 10/14/2018   00:03:24  ( -80.43, -44.10)    1.69                34
 10/14/2018   00:53:45   (  80.41, 123.12) 10/14/2018   00:54:09  (  80.43, 123.27)    3.12                24
 10/14/2018   01:44:51   ( -80.42, -69.55) 10/14/2018   01:44:54  ( -80.43, -69.53)    1.92                 3
 10/14/2018   02:35:45   (  80.43,  97.97) 10/14/2018   02:35:39  (  80.43,  97.84)    2.34                 6
 10/14/2018   03:26:52   ( -80.42, -95.04) 10/14/2018   03:26:24  ( -80.44, -94.95)    2.82                28
 10/14/2018   04:17:46   (  80.43,  72.48) 10/14/2018   04:17:09  (  80.43,  72.42)    1.17                37
 10/14/2018   05:08:52   ( -80.44,-120.20) 10/14/2018   05:07:53  ( -80.42,-120.05)    3.38                59