Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 3 22.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2013   04:31:32   ( -79.83,-168.40) ( -79.84,-168.25)    3.15                18
 03/24/2013   05:20:54   (  79.97,   0.32) (  79.97,   0.39)    1.37                60
 03/26/2013   19:58:33   (  79.69, 138.76) (  79.70, 138.86)    2.16                63
 03/26/2013   20:47:56   ( -79.84, -52.43) ( -79.83, -52.53)    2.19                15
 03/29/2013   12:14:56   (  79.75,-104.89) (  79.75,-104.88)    0.15                30
 03/29/2013   13:04:17   ( -79.97,  64.52) ( -79.97,  64.62)    2.08                47
 04/01/2013   03:42:22   ( -78.68,-163.50) ( -78.77,-163.93)   13.90                74
 04/01/2013   04:31:17   (  79.86,  11.88) (  79.86,  11.94)    1.28                 3
 04/03/2013   19:58:19   ( -79.71, -40.98) ( -79.71, -40.99)    0.20                41