Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 7 17.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2013   12:14:54   (  79.33,-108.12) (  79.32,-108.24)    2.72                 0
 07/19/2013   13:01:56   ( -81.65, 113.36) ( -80.91, 112.27)   83.95                73
 07/22/2013   03:41:59   ( -79.16,-160.95) ( -79.16,-160.97)    0.65                52
 07/22/2013   04:31:17   (  79.46,   8.63) (  79.47,   8.74)    2.22                25
 07/24/2013   19:58:20   ( -79.32, -44.09) ( -79.32, -43.94)    3.19                27
 07/24/2013   20:47:41   (  79.49, 124.74) (  79.49, 124.74)    0.15                51
 07/27/2013   12:14:45   ( -79.33,  71.88) ( -79.33,  71.88)    0.13                 1
 07/27/2013   13:02:00   (  81.79, -72.52) (  81.12, -73.13)   75.23                73
 07/30/2013   03:41:47   (  79.14,  18.97) (  79.15,  18.99)    0.45                53