Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 25.  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)
 07/27/2014   14:13:33   (  75.20,-154.46) 07/27/2014   14:12:35  (  75.21,-154.43)    0.97                58
 07/27/2014   15:02:42   ( -76.13,  15.89) 07/27/2014   15:03:01  ( -76.13,  15.87)    0.49                19
 07/30/2014   06:29:52   (  75.57, -37.54) 07/30/2014   06:29:27  (  75.57, -37.53)    0.27                25
 07/30/2014   07:19:03   ( -76.40, 132.63) 07/30/2014   07:19:55  ( -76.39, 132.59)    1.34                52
 08/01/2014   21:57:08   ( -74.85, -91.26) 08/01/2014   21:55:58  ( -74.85, -91.24)    0.70                70
 08/01/2014   22:46:14   (  75.80,  79.00) 08/01/2014   22:46:22  (  75.79,  78.95)    1.45                 8
 08/04/2014   14:13:30   ( -75.09,  25.25) 08/04/2014   14:12:53  ( -75.08,  25.18)    2.44                37
 08/04/2014   15:02:30   (  76.32,-163.49) 08/04/2014   15:03:10  (  76.33,-163.42)    1.89                40
 08/07/2014   06:29:46   ( -75.58, 142.50) 08/07/2014   06:29:41  ( -75.58, 142.48)    0.56                 5