Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 1 29.  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, 142.65) 02/07/2018   11:21:48  ( -80.66, 142.54)    1.87                72
 02/07/2018   12:11:32   (  80.66, -50.22) 02/07/2018   12:12:33  (  80.66, -50.08)    2.63                61
 02/07/2018   13:02:37   ( -80.66, 117.25) 02/07/2018   13:03:18  ( -80.67, 117.12)    2.34                41
 02/07/2018   13:53:32   (  80.66, -75.61) 02/07/2018   13:54:02  (  80.66, -75.50)    2.06                30
 02/07/2018   14:44:37   ( -80.67,  91.85) 02/07/2018   14:44:47  ( -80.67,  91.69)    2.83                10
 02/07/2018   15:35:33   (  80.66,-101.01) 02/07/2018   15:35:32  (  80.67,-100.93)    1.48                 1
 02/07/2018   16:26:38   ( -80.67,  66.45) 02/07/2018   16:26:17  ( -80.67,  66.27)    3.32                21
 02/07/2018   17:17:34   (  80.67,-126.40) 02/07/2018   17:17:02  (  80.67,-126.36)    0.91                32
 02/07/2018   18:08:40   ( -80.66,  40.70) 02/07/2018   18:07:47  ( -80.68,  40.84)    3.01                53