Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 3 10.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2013   20:48:12   ( -79.79, -52.91) ( -79.80, -52.83)    1.75                16
 03/10/2013   21:37:34   (  79.93, 115.84) (  79.93, 115.76)    1.58                62
 03/13/2013   12:15:16   (  79.69,-105.45) (  79.70,-105.32)    2.62                64
 03/13/2013   13:04:39   ( -79.84,  63.35) ( -79.84,  63.32)    0.58                14
 03/16/2013   04:31:40   (  79.79,  11.21) (  79.80,  11.36)    3.12                34
 03/16/2013   05:21:04   ( -79.91, 179.75) ( -79.91, 179.74)    0.35                44
 03/18/2013   20:48:07   (  79.80, 127.17) (  79.80, 127.16)    0.22                 3
 03/18/2013   21:37:12   ( -80.54, -58.52) ( -80.45, -58.25)   10.93                74
 03/21/2013   12:15:11   ( -79.70,  74.63) ( -79.70,  74.70)    1.62                50