Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 2 5.  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)
 02/07/2018   11:20:36   ( -80.66, 142.61) 02/07/2018   11:21:48  ( -80.67, 142.47)    2.81                72
 02/07/2018   12:11:32   (  80.65, -50.21) 02/07/2018   12:12:33  (  80.66, -50.11)    2.03                61
 02/07/2018   13:02:37   ( -80.66, 117.21) 02/07/2018   13:03:18  ( -80.67, 117.04)    3.25                41
 02/07/2018   13:53:33   (  80.66, -75.61) 02/07/2018   13:54:03  (  80.66, -75.53)    1.47                30
 02/07/2018   14:44:38   ( -80.67,  91.82) 02/07/2018   14:44:47  ( -80.65,  91.96)    2.93                 9
 02/07/2018   15:35:34   (  80.66,-101.00) 02/07/2018   15:35:33  (  80.67,-100.96)    0.93                 1
 02/07/2018   16:26:39   ( -80.67,  66.42) 02/07/2018   16:26:17  ( -80.66,  66.53)    2.54                22
 02/07/2018   17:17:34   (  80.67,-126.40) 02/07/2018   17:17:02  (  80.67,-126.39)    0.51                32
 02/07/2018   18:08:39   ( -80.67,  41.02) 02/07/2018   18:07:46  ( -80.66,  41.11)    2.20                53