Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 10.  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)
 09/10/2014   21:57:18   (  74.84,  88.68) 09/10/2014   21:56:38  (  74.84,  88.71)    1.01                40
 09/10/2014   22:46:27   ( -75.77,-101.12) 09/10/2014   22:47:04  ( -75.77,-101.18)    1.77                37
 09/13/2014   14:13:44   (  74.98,-155.07) 09/13/2014   14:13:35  (  74.97,-155.16)    2.85                 9
 09/13/2014   15:02:46   ( -76.25,  16.24) 09/13/2014   15:03:53  ( -76.26,  16.27)    0.84                67
 09/16/2014   05:41:01   ( -74.27, 151.39) 09/16/2014   05:40:05  ( -74.27, 151.37)    0.71                56
 09/16/2014   06:29:58   (  75.70, -37.22) 09/16/2014   06:30:19  (  75.71, -37.15)    2.18                21
 09/18/2014   21:57:15   ( -74.91, -91.14) 09/18/2014   21:56:50  ( -74.92, -91.10)    1.27                25
 09/18/2014   22:46:22   (  75.83,  79.05) 09/18/2014   22:47:15  (  75.82,  78.99)    1.78                53
 09/21/2014   13:24:30   (  74.11,-144.84) 09/21/2014   13:23:20  (  74.12,-144.78)    2.10                70
 09/21/2014   14:13:35   ( -75.27,  25.69) 09/21/2014   14:13:42  ( -75.27,  25.70)    0.38                 7
 09/24/2014   05:40:53   (  74.29, -28.54) 09/24/2014   05:40:16  (  74.28, -28.60)    2.43                37