Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 1 28.  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   ( -80.66, 142.69) 02/07/2018   11:21:47  ( -80.66, 142.62)    1.21                72
 02/07/2018   12:11:31   (  80.66, -50.19) 02/07/2018   12:12:32  (  80.66, -50.01)    3.24                61
 02/07/2018   13:02:36   ( -80.67, 117.29) 02/07/2018   13:03:17  ( -80.66, 117.20)    1.71                41
 02/07/2018   13:53:32   (  80.66, -75.58) 02/07/2018   13:54:02  (  80.66, -75.43)    2.69                30
 02/07/2018   14:44:37   ( -80.67,  91.89) 02/07/2018   14:44:47  ( -80.67,  91.77)    2.20                10
 02/07/2018   15:35:33   (  80.67,-100.98) 02/07/2018   15:35:32  (  80.66,-100.86)    2.14                 1
 02/07/2018   16:26:38   ( -80.67,  66.49) 02/07/2018   16:26:17  ( -80.67,  66.34)    2.70                21
 02/07/2018   17:17:34   (  80.67,-126.37) 02/07/2018   17:17:02  (  80.67,-126.28)    1.61                32
 02/07/2018   18:08:39   ( -80.68,  41.09) 02/07/2018   18:07:47  ( -80.67,  40.92)    3.20                52