Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 3 17.  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)
 03/30/2017   09:26:28   ( -80.87, 167.34) 03/30/2017   09:27:34  ( -80.88, 167.19)    2.93                66
 03/30/2017   10:17:32   (  80.87, -25.36) 03/30/2017   10:18:18  (  80.88, -25.30)    1.10                46
 03/30/2017   11:08:29   ( -80.88, 142.09) 03/30/2017   11:09:03  ( -80.87, 142.12)    1.04                34
 03/30/2017   11:59:33   (  80.88, -50.61) 03/30/2017   11:59:48  (  80.88, -50.73)    2.08                15
 03/30/2017   12:50:30   ( -80.88, 116.84) 03/30/2017   12:50:33  ( -80.87, 116.68)    2.98                 3
 03/30/2017   13:41:35   (  80.88, -76.24) 03/30/2017   13:41:18  (  80.88, -76.16)    1.38                17
 03/30/2017   14:32:32   ( -80.88,  91.22) 03/30/2017   14:32:03  ( -80.88,  91.25)    0.83                29
 03/30/2017   15:23:36   (  80.88,-101.49) 03/30/2017   15:22:48  (  80.88,-101.60)    1.85                48