Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 3 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)
 03/30/2017   09:26:27   ( -80.87, 167.46) 03/30/2017   09:27:33  ( -80.87, 167.45)    0.38                66
 03/30/2017   10:17:31   (  80.88, -25.17) 03/30/2017   10:18:18  (  80.88, -25.32)    2.72                47
 03/30/2017   11:08:29   ( -80.87, 141.84) 03/30/2017   11:09:03  ( -80.87, 142.02)    3.08                34
 03/30/2017   11:59:33   (  80.87, -50.79) 03/30/2017   11:59:48  (  80.88, -50.75)    0.83                15
 03/30/2017   12:50:30   ( -80.88, 116.59) 03/30/2017   12:50:33  ( -80.88, 116.58)    0.11                 3
 03/30/2017   13:41:34   (  80.88, -76.05) 03/30/2017   13:41:18  (  80.88, -76.19)    2.43                16
 03/30/2017   14:32:32   ( -80.87,  90.97) 03/30/2017   14:32:03  ( -80.88,  91.15)    3.27                29
 03/30/2017   15:23:36   (  80.88,-101.68) 03/30/2017   15:22:48  (  80.88,-101.62)    1.26                48