Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 3 21.  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   04:31:34   ( -79.74,-169.08) ( -79.74,-169.17)    1.70                17
 03/24/2013   05:20:53   (  79.99,   0.47) (  80.00,   0.62)    3.17                60
 03/26/2013   19:58:34   (  79.66, 138.53) (  79.66, 138.52)    0.09                62
 03/26/2013   20:47:55   ( -79.88, -52.11) ( -79.89, -52.01)    1.98                15
 03/29/2013   12:14:54   (  79.77,-104.73) (  79.77,-104.65)    1.61                29
 03/29/2013   13:04:17   ( -79.92,  64.11) ( -79.91,  63.97)    3.01                49
 04/01/2013   03:41:55   ( -79.65,-157.35) ( -79.66,-157.26)    1.83                73
 04/01/2013   04:31:15   (  79.85,  11.83) (  79.85,  11.88)    1.01                 5
 04/03/2013   19:58:16   ( -79.71, -40.99) ( -79.71, -41.05)    1.26                38