Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2013 4 26.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19)   NOAA-19 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/07/2013   21:48:43   (  80.92, 160.19) (  80.91, 160.37)    3.21                68
 05/07/2013   22:39:39   ( -80.91, -32.22) ( -80.90, -32.08)    2.55                56
 05/07/2013   23:30:45   (  80.88, 135.63) (  80.88, 135.69)    1.19                34
 05/08/2013   00:21:41   ( -80.87, -56.79) ( -80.87, -56.76)    0.56                22
 05/08/2013   01:12:47   (  80.84, 111.05) (  80.85, 111.01)    0.84                 0
 05/08/2013   02:03:43   ( -80.83, -81.37) ( -80.83, -81.45)    1.44                12
 05/08/2013   02:54:49   (  80.80,  86.47) (  80.81,  86.32)    2.84                34
 05/08/2013   03:45:47   ( -80.82,-106.67) ( -80.82,-106.50)    3.12                47