Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 4 3.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2013   19:58:21   ( -79.69, -41.14) ( -79.69, -41.20)    1.32                43
 04/03/2013   20:47:41   (  79.90, 128.13) (  79.89, 128.03)    2.24                35
 04/06/2013   12:14:41   ( -79.83,  75.81) ( -79.83,  75.83)    0.36                10
 04/06/2013   13:04:02   (  79.99,-115.18) (  79.99,-115.19)    0.30                68
 04/09/2013   03:41:42   (  79.65,  22.73) (  79.64,  22.58)    3.17                53
 04/09/2013   04:31:03   ( -79.87,-167.93) ( -79.87,-168.02)    1.93                24
 04/11/2013   19:58:02   (  79.75, 139.39) (  79.74, 139.25)    2.79                19
 04/11/2013   20:47:23   ( -79.97, -51.23) ( -79.96, -51.31)    1.67                58
 04/14/2013   11:25:00   ( -79.66,  87.00) ( -79.66,  87.01)    0.36                63
 04/14/2013   12:14:20   (  79.86,-103.80) (  79.86,-103.80)    0.26                15
 04/17/2013   03:41:19   ( -79.76,-156.33) ( -79.76,-156.37)    0.97                28