Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 9 14.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2012   20:47:00   ( -79.79, -53.03) ( -79.79, -53.13)    2.02                 0
 09/18/2012   12:14:06   (  79.71,-105.44) (  79.72,-105.31)    2.78                55
 09/18/2012   13:03:29   ( -79.86,  63.35) ( -79.85,  63.28)    1.45                23
 09/21/2012   04:30:35   (  79.76,  10.81) (  79.75,  10.81)    0.29                31
 09/21/2012   05:19:56   ( -79.98,-179.81) ( -79.98,-179.69)    2.34                46
 09/23/2012   20:47:04   (  79.79, 126.96) (  79.80, 126.97)    0.33                 7
 09/23/2012   21:36:25   ( -80.01, -63.64) ( -80.02, -63.50)    2.89                70
 09/26/2012   12:14:10   ( -79.68,  74.32) ( -79.68,  74.36)    0.85                60