Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 3 11.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/13/2013   12:15:16   (  79.69,-105.48) (  79.69,-105.36)    2.38                64
 03/13/2013   13:04:39   ( -79.84,  63.31) ( -79.84,  63.27)    0.78                14
 03/16/2013   04:31:41   (  79.79,  11.18) (  79.79,  11.30)    2.49                34
 03/16/2013   05:21:05   ( -79.90, 179.71) ( -79.90, 179.67)    0.87                44
 03/18/2013   20:48:07   (  79.80, 127.15) (  79.79, 127.08)    1.49                 3
 03/18/2013   21:37:19   ( -80.32, -60.76) ( -80.27, -60.60)    6.24                74
 03/21/2013   12:15:11   ( -79.69,  74.61) ( -79.69,  74.58)    0.66                50
 03/21/2013   13:04:32   (  79.86,-116.45) (  79.85,-116.60)    3.08                28
 03/24/2013   04:31:35   ( -79.78,-168.85) ( -79.78,-168.85)    0.16                19