Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 6.  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   05:40:57   (  74.44, -28.20) 09/08/2014   05:39:47  (  74.44, -28.15)    1.68                70
 09/08/2014   06:30:06   ( -75.39, 141.89) 09/08/2014   06:30:13  ( -75.38, 141.84)    1.63                 7
 09/10/2014   21:57:20   (  74.77,  88.49) 09/10/2014   21:56:40  (  74.77,  88.50)    0.54                40
 09/10/2014   22:46:29   ( -75.71,-101.32) 09/10/2014   22:47:06  ( -75.70,-101.40)    2.31                37
 09/13/2014   14:13:37   (  75.32,-154.19) 09/13/2014   14:13:27  (  75.33,-154.11)    2.30                10
 09/13/2014   15:02:47   ( -76.19,  16.04) 09/13/2014   15:03:54  ( -76.19,  16.04)    0.06                67
 09/16/2014   05:41:03   ( -74.15, 151.12) 09/16/2014   05:40:07  ( -74.15, 151.07)    1.76                56
 09/16/2014   06:29:59   (  75.63, -37.42) 09/16/2014   06:30:20  (  75.63, -37.38)    1.08                21
 09/18/2014   21:57:18   ( -74.80, -91.42) 09/18/2014   21:56:53  ( -74.80, -91.42)    0.18                25