Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 3 20.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/21/2013   12:15:09   ( -79.71,  74.79) ( -79.71,  74.77)    0.45                49
 03/21/2013   13:04:31   (  79.85,-116.51) (  79.85,-116.63)    2.46                29
 03/24/2013   04:31:32   ( -79.80,-168.67) ( -79.80,-168.64)    0.63                17
 03/24/2013   05:20:53   (  79.97,   0.33) (  79.96,   0.28)    1.04                61
 03/26/2013   19:58:33   (  79.66, 138.56) (  79.65, 138.49)    1.73                61
 03/26/2013   20:47:54   ( -79.89, -52.07) ( -79.89, -52.05)    0.45                16
 03/29/2013   12:14:55   (  79.72,-105.10) (  79.71,-105.25)    3.07                27
 03/29/2013   13:04:16   ( -79.94,  64.30) ( -79.94,  64.25)    1.09                50
 04/01/2013   03:41:53   ( -79.65,-157.33) ( -79.66,-157.26)    1.63                71