Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 7.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2014   05:40:37   (  74.48, -28.04) 09/08/2014   05:39:46  (  74.46, -28.12)    2.72                51
 09/08/2014   06:29:39   ( -75.78, 143.09) 09/08/2014   06:30:04  ( -75.78, 143.07)    0.72                25
 09/10/2014   21:56:45   (  75.31,  90.01) 09/10/2014   21:56:28  (  75.32,  90.06)    1.48                17
 09/10/2014   22:45:57   ( -76.10,-100.05) 09/10/2014   22:46:57  ( -76.09,-100.12)    1.95                60
 09/13/2014   13:23:57   ( -74.66,  36.56) 09/13/2014   13:22:57  ( -74.67,  36.64)    2.88                60
 09/13/2014   14:13:00   (  75.76,-152.81) 09/13/2014   14:13:18  (  75.77,-152.75)    1.77                18
 09/16/2014   05:40:16   ( -74.89, 153.04) 09/16/2014   05:39:52  ( -74.89, 153.02)    0.76                24
 09/16/2014   06:29:20   (  75.94, -36.38) 09/16/2014   06:30:14  (  75.93, -36.44)    1.96                54
 09/18/2014   21:07:23   (  74.24,  99.71) 09/18/2014   21:06:18  (  74.24,  99.72)    0.42                65