Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 7 9.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2013   12:14:59   ( -79.34,  71.89) ( -79.33,  71.78)    2.51                 0
 07/14/2013   03:42:03   (  79.20,  19.27) (  79.20,  19.30)    0.68                52
 07/14/2013   04:31:23   ( -79.49,-171.22) ( -79.49,-171.09)    2.79                25
 07/16/2013   19:58:28   (  79.29, 135.74) (  79.30, 135.86)    2.62                26
 07/16/2013   20:47:50   ( -79.50, -55.23) ( -79.49, -55.31)    1.75                52
 07/19/2013   11:27:18   ( -74.26,  64.83) ( -74.54,  63.32)   55.04                74
 07/19/2013   12:14:53   (  79.36,-107.91) (  79.37,-107.86)    1.14                 1
 07/22/2013   03:41:59   ( -79.12,-161.21) ( -79.12,-161.27)    1.19                49