Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 3 25.  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   ( -80.88, 167.52) 03/30/2017   09:27:33  ( -80.87, 167.50)    0.86                66
 03/30/2017   10:17:31   (  80.88, -25.13) 03/30/2017   10:18:18  (  80.87, -25.29)    2.96                47
 03/30/2017   11:08:29   ( -80.87, 141.90) 03/30/2017   11:09:03  ( -80.87, 142.07)    2.90                34
 03/30/2017   11:59:33   (  80.88, -50.75) 03/30/2017   11:59:48  (  80.88, -50.72)    0.51                15
 03/30/2017   12:50:30   ( -80.88, 116.65) 03/30/2017   12:50:33  ( -80.87, 116.63)    0.52                 3
 03/30/2017   13:41:34   (  80.88, -76.01) 03/30/2017   13:41:18  (  80.88, -76.16)    2.65                16
 03/30/2017   14:32:32   ( -80.88,  91.03) 03/30/2017   14:32:03  ( -80.88,  91.20)    3.03                29
 03/30/2017   15:23:36   (  80.88,-101.63) 03/30/2017   15:22:48  (  80.88,-101.59)    0.90                48