Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 3 13.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/16/2013   04:31:40   (  79.79,  11.22) (  79.80,  11.35)    2.51                34
 03/16/2013   05:21:03   ( -79.94,-179.97) ( -79.93, 179.99)    0.84                44
 03/18/2013   20:48:07   (  79.80, 127.18) (  79.80, 127.13)    1.17                 3
 03/18/2013   21:37:17   ( -80.38, -60.12) ( -80.32, -59.93)    7.44                74
 03/21/2013   12:15:11   ( -79.69,  74.61) ( -79.69,  74.61)    0.22                50
 03/21/2013   13:04:32   (  79.86,-116.44) (  79.86,-116.55)    2.22                28
 03/24/2013   04:31:34   ( -79.81,-168.59) ( -79.81,-168.53)    1.35                19
 03/24/2013   05:20:55   (  79.97,   0.37) (  79.97,   0.35)    0.69                59
 03/26/2013   19:58:34   (  79.71, 138.94) (  79.72, 139.09)    2.99                65