Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2016 4 8.  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)
 04/14/2016   02:03:45   ( -81.01, -84.35) 04/14/2016   02:05:00  ( -81.01, -84.30)    0.93                75
 04/14/2016   02:54:41   (  81.01,  83.17) 04/14/2016   02:55:44  (  81.00,  83.32)    2.77                63
 04/14/2016   03:45:47   ( -81.01,-109.80) 04/14/2016   03:46:30  ( -81.01,-109.70)    1.79                43
 04/14/2016   04:36:43   (  81.01,  57.72) 04/14/2016   04:37:15  (  81.02,  57.55)    3.02                32
 04/14/2016   05:27:49   ( -81.01,-135.25) 04/14/2016   05:28:00  ( -81.01,-135.10)    2.67                11
 04/14/2016   06:18:45   (  81.01,  32.26) 04/14/2016   06:18:45  (  81.02,  32.14)    2.13                 0
 04/14/2016   07:09:50   ( -81.01,-160.33) 04/14/2016   07:09:30  ( -81.01,-160.50)    3.08                20
 04/14/2016   08:00:47   (  81.01,   6.80) 04/14/2016   08:00:15  (  81.02,   6.74)    1.33                32
 04/14/2016   08:51:52   ( -81.01, 174.22) 04/14/2016   08:51:00  ( -81.02, 174.09)    2.23                52