Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 9 10.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2012   04:30:30   ( -79.81,-168.80) ( -79.81,-168.67)    2.66                24
 09/13/2012   05:19:52   (  79.95,  -0.03) (  79.95,  -0.03)    0.23                54
 09/15/2012   20:47:03   ( -79.79, -53.09) ( -79.78, -53.21)    2.47                 2
 09/15/2012   21:35:24   (  81.54, 136.69) (  81.22, 137.42)   38.42                73
 09/18/2012   12:14:10   (  79.69,-105.59) (  79.69,-105.51)    1.57                59
 09/18/2012   13:03:33   ( -79.84,  63.22) ( -79.83,  63.07)    3.05                19
 09/21/2012   04:30:42   (  79.72,  10.48) (  79.71,  10.43)    1.20                38
 09/21/2012   05:20:03   ( -79.94, 179.87) ( -79.94, 179.92)    0.99                39
 09/23/2012   20:47:13   (  79.79, 126.88) (  79.79, 126.91)    0.65                18