Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 12 4.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2012   20:47:10   ( -79.84, -52.58) ( -79.84, -52.50)    1.65                 8
 12/04/2012   21:36:32   (  79.98, 116.20) (  79.98, 116.19)    0.22                70
 12/07/2012   12:14:16   (  79.70,-105.35) (  79.71,-105.21)    3.03                60
 12/07/2012   13:03:39   ( -79.85,  63.43) ( -79.84,  63.31)    2.53                18
 12/10/2012   04:30:42   (  79.77,  11.07) (  79.78,  11.15)    1.66                34
 12/10/2012   05:20:04   ( -79.96,-179.83) ( -79.96,-179.72)    2.30                43
 12/12/2012   20:47:09   (  79.83, 127.39) (  79.84, 127.52)    2.81                 8
 12/12/2012   21:36:33   ( -79.95, -64.05) ( -79.94, -64.21)    3.20                70
 12/15/2012   12:14:16   ( -79.66,  74.38) ( -79.67,  74.40)    0.67                59
 12/15/2012   13:03:36   (  79.87,-116.40) (  79.87,-116.40)    0.03                19
 12/18/2012   04:30:42   ( -79.73,-169.25) ( -79.73,-169.25)    0.30                32