Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 1 3.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2013   20:47:15   ( -79.75, -53.18) ( -79.75, -53.23)    0.99                19
 01/05/2013   21:36:36   (  79.93, 115.84) (  79.92, 115.74)    2.11                59
 01/08/2013   12:14:19   (  79.62,-105.89) (  79.61,-105.97)    1.77                71
 01/08/2013   13:03:40   ( -79.85,  63.45) ( -79.84,  63.40)    1.16                 6
 01/11/2013   04:30:45   (  79.70,  10.60) (  79.70,  10.60)    0.09                46
 01/11/2013   05:20:06   ( -79.92, 179.97) ( -79.93,-179.99)    0.92                31
 01/13/2013   20:47:12   (  79.73, 126.71) (  79.73, 126.58)    2.55                20
 01/13/2013   21:36:33   ( -79.95, -63.91) ( -79.95, -63.98)    1.35                57
 01/16/2013   12:14:17   ( -79.61,  74.03) ( -79.61,  73.99)    0.95                72