Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 1 27.  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   11:20:35   ( -80.67, 142.78) 02/07/2018   11:21:47  ( -80.65, 142.72)    1.72                72
 02/07/2018   12:11:31   (  80.66, -50.10) 02/07/2018   12:12:33  (  80.67, -50.25)    3.01                62
 02/07/2018   13:02:36   ( -80.67, 117.38) 02/07/2018   13:03:17  ( -80.66, 117.30)    2.10                41
 02/07/2018   13:53:32   (  80.66, -75.50) 02/07/2018   13:54:02  (  80.65, -75.34)    3.13                30
 02/07/2018   14:44:37   ( -80.67,  91.98) 02/07/2018   14:44:47  ( -80.66,  91.87)    2.51                10
 02/07/2018   15:35:33   (  80.67,-100.89) 02/07/2018   15:35:32  (  80.66,-100.76)    2.67                 1
 02/07/2018   16:26:38   ( -80.68,  66.58) 02/07/2018   16:26:17  ( -80.66,  66.44)    2.96                21
 02/07/2018   17:17:34   (  80.67,-126.29) 02/07/2018   17:17:02  (  80.66,-126.19)    2.26                32
 02/07/2018   18:08:39   ( -80.68,  41.18) 02/07/2018   18:07:47  ( -80.67,  41.02)    3.41                52