Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 12 9.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2012   04:30:45   (  79.69,  10.44) (  79.68,  10.32)    2.62                34
 12/10/2012   05:20:06   ( -79.91, 179.79) ( -79.91, 179.70)    1.72                43
 12/12/2012   20:47:10   (  79.83, 127.40) (  79.84, 127.52)    2.58                 9
 12/12/2012   21:36:34   ( -79.95, -64.07) ( -79.94, -64.22)    3.18                69
 12/15/2012   12:14:17   ( -79.64,  74.20) ( -79.63,  74.11)    2.00                60
 12/15/2012   13:03:38   (  79.82,-116.84) (  79.81,-116.99)    2.93                18
 12/18/2012   04:30:42   ( -79.76,-169.02) ( -79.76,-168.97)    0.87                34
 12/18/2012   05:20:03   (  79.93,  -0.04) (  79.93,  -0.03)    0.22                44
 12/20/2012   20:47:09   ( -79.80, -52.86) ( -79.80, -52.88)    0.50                 7