Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 2 21.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/22/2013   20:48:08   ( -79.75, -53.25) ( -79.75, -53.29)    0.99                30
 02/22/2013   21:37:28   (  79.97, 116.11) (  79.97, 116.14)    0.59                47
 02/25/2013   13:04:36   ( -79.85,  63.39) ( -79.85,  63.43)    0.80                 3
 02/25/2013   13:53:30   (  80.86,-118.95) (  80.71,-118.67)   17.81                74
 02/28/2013   04:31:43   (  79.71,  10.56) (  79.72,  10.62)    1.30                53
 02/28/2013   05:21:05   ( -79.90, 179.64) ( -79.90, 179.60)    0.73                25
 03/02/2013   20:48:10   (  79.82, 127.23) (  79.83, 127.37)    2.99                25
 03/02/2013   21:37:33   ( -79.97, -63.94) ( -79.97, -63.90)    0.90                53
 03/05/2013   12:15:18   ( -79.62,  74.01) ( -79.62,  73.96)    0.92                73