Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 8.  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   05:40:56   (  74.47, -28.13) 09/08/2014   05:39:46  (  74.47, -28.07)    1.94                70
 09/08/2014   06:30:04   ( -75.46, 142.10) 09/08/2014   06:30:11  ( -75.46, 142.06)    1.21                 7
 09/10/2014   21:57:18   (  74.84,  88.68) 09/10/2014   21:56:38  (  74.85,  88.72)    1.23                40
 09/10/2014   22:46:27   ( -75.78,-101.11) 09/10/2014   22:47:04  ( -75.77,-101.16)    1.42                37
 09/13/2014   14:13:43   (  75.03,-154.96) 09/13/2014   14:13:34  (  75.02,-155.02)    2.19                 9
 09/13/2014   15:02:45   ( -76.30,  16.38) 09/13/2014   15:03:52  ( -76.30,  16.44)    1.65                67
 09/16/2014   05:40:58   ( -74.41, 151.72) 09/16/2014   05:40:02  ( -74.41, 151.75)    0.77                56
 09/16/2014   06:30:04   (  75.38, -38.12) 09/16/2014   06:30:26  (  75.37, -38.20)    2.43                22
 09/18/2014   21:57:20   ( -74.63, -91.84) 09/18/2014   21:56:56  ( -74.63, -91.91)    2.11                24
 09/18/2014   22:46:19   (  75.95,  79.41) 09/18/2014   22:47:12  (  75.95,  79.43)    0.60                53
 09/21/2014   13:24:33   (  73.91,-145.29) 09/21/2014   13:23:24  (  73.91,-145.29)    0.23                69
 09/21/2014   14:13:37   ( -75.13,  25.31) 09/21/2014   14:13:45  ( -75.12,  25.26)    1.78                 8