Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 12 23.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2012   04:30:48   (  79.72,  10.69) (  79.72,  10.70)    0.12                42
 12/26/2012   05:20:10   ( -79.91, 179.81) ( -79.91, 179.79)    0.38                35
 12/28/2012   20:47:23   (  79.79, 127.03) (  79.80, 127.15)    2.47                26
 12/28/2012   21:36:45   ( -79.98, -63.81) ( -79.98, -63.73)    1.68                51
 12/31/2012   13:04:03   (  79.83,-116.81) (  79.84,-116.70)    2.25                13
 12/31/2012   13:53:26   ( -79.99,  52.10) ( -79.99,  52.16)    1.23                64
 01/03/2013   05:20:48   (  79.82,  -1.10) (  79.81,  -1.13)    0.50                 3
 01/03/2013   06:10:11   ( -79.98, 167.82) ( -79.97, 167.74)    1.72                74
 01/05/2013   20:48:34   ( -78.90, -59.07) ( -78.97, -59.40)   10.79                74