Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 9 17.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2012   12:14:08   (  79.63,-106.00) (  79.63,-106.09)    1.68                55
 09/18/2012   13:03:28   ( -79.89,  63.59) ( -79.89,  63.61)    0.44                22
 09/21/2012   04:30:34   (  79.79,  11.08) (  79.80,  11.22)    2.87                33
 09/21/2012   05:19:58   ( -79.90, 179.60) ( -79.90, 179.53)    1.27                45
 09/23/2012   20:47:03   (  79.83, 127.25) (  79.83, 127.35)    1.97                10
 09/23/2012   21:36:27   ( -79.94, -64.21) ( -79.94, -64.31)    1.94                68
 09/26/2012   12:14:12   ( -79.64,  74.08) ( -79.64,  74.05)    0.61                64
 09/26/2012   13:03:31   (  79.89,-116.39) (  79.90,-116.29)    2.12                13
 09/29/2012   04:30:38   ( -79.73,-169.40) ( -79.73,-169.37)    0.72                41