Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 12 11.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2012   20:47:10   (  79.82, 127.32) (  79.82, 127.33)    0.36                 9
 12/12/2012   21:36:32   ( -80.00, -63.59) ( -80.00, -63.55)    0.91                68
 12/15/2012   12:14:18   ( -79.63,  74.10) ( -79.63,  74.03)    1.32                61
 12/15/2012   13:03:38   (  79.84,-116.65) (  79.83,-116.76)    2.30                17
 12/18/2012   04:30:41   ( -79.78,-168.86) ( -79.79,-168.71)    3.09                36
 12/18/2012   05:20:02   (  79.95,   0.13) (  79.96,   0.25)    2.38                42
 12/20/2012   20:47:08   ( -79.81, -52.73) ( -79.82, -52.64)    1.83                10
 12/20/2012   21:36:29   (  79.98, 116.26) (  79.99, 116.32)    1.36                68
 12/23/2012   12:14:12   (  79.68,-105.51) (  79.68,-105.45)    1.37                61