Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2016 3 6.  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)
 03/18/2016   08:05:20   (  81.02,   5.32) 03/18/2016   08:06:33  (  81.01,   5.43)    1.92                73
 03/18/2016   08:56:19   ( -81.02, 172.61) 03/18/2016   08:57:19  ( -81.02, 172.48)    2.38                60
 03/18/2016   09:47:22   (  81.02, -20.12) 03/18/2016   09:48:03  (  81.01, -20.01)    2.00                41
 03/18/2016   10:38:21   ( -81.02, 147.17) 03/18/2016   10:38:49  ( -81.02, 147.04)    2.43                28
 03/18/2016   11:29:24   (  81.02, -45.56) 03/18/2016   11:29:33  (  81.02, -45.44)    2.11                 9
 03/18/2016   12:20:22   ( -81.02, 122.11) 03/18/2016   12:20:18  ( -81.01, 121.98)    2.46                 4
 03/18/2016   13:11:26   (  81.02, -71.00) 03/18/2016   13:11:03  (  81.02, -70.87)    2.25                23
 03/18/2016   14:02:24   ( -81.02,  96.68) 03/18/2016   14:01:48  ( -81.01,  96.54)    2.37                36
 03/18/2016   14:53:28   (  81.02, -96.45) 03/18/2016   14:52:33  (  81.02, -96.31)    2.42                55