Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2013 3 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19)   NOAA-19 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2013   04:21:34   ( -80.87,-116.94) ( -80.87,-117.02)    1.35                57
 03/19/2013   05:12:31   (  80.86,  50.62) (  80.86,  50.63)    0.27                44
 03/19/2013   06:03:37   ( -80.85,-141.85) ( -80.84,-141.69)    2.93                22
 03/19/2013   06:54:33   (  80.82,  26.08) (  80.82,  25.96)    2.05                10
 03/19/2013   07:45:39   ( -80.80,-166.40) ( -80.80,-166.37)    0.65                12
 03/19/2013   08:36:37   (  80.81,   0.81) (  80.80,   0.93)    2.18                25
 03/19/2013   09:27:41   ( -80.76, 169.04) ( -80.76, 168.95)    1.63                46