Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 7 20.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2013   03:41:58   ( -79.23,-160.56) ( -79.24,-160.44)    2.76                40
 07/22/2013   04:31:18   (  79.45,   8.56) (  79.45,   8.57)    0.44                38
 07/24/2013   19:58:22   ( -79.28, -44.33) ( -79.28, -44.33)    0.21                 7
 07/24/2013   20:47:42   (  79.50, 124.79) (  79.50, 124.69)    2.12                71
 07/27/2013   11:25:26   (  79.07, -97.39) (  79.06, -97.51)    2.62                51
 07/27/2013   12:14:45   ( -79.40,  72.32) ( -79.39,  72.30)    0.54                26
 07/30/2013   03:41:48   (  79.21,  19.37) (  79.21,  19.34)    0.62                18
 07/30/2013   04:31:08   ( -79.49,-171.12) ( -79.50,-171.06)    1.45                59
 08/01/2013   19:08:52   ( -79.03, -33.46) ( -79.03, -33.51)    1.03                62