Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 8 31.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/02/2013   19:08:47   ( -79.09, -33.10) ( -79.09, -33.13)    0.58                20
 09/02/2013   19:58:06   (  79.37, 136.28) (  79.36, 136.21)    1.58                58
 09/05/2013   10:35:51   (  78.88, -86.11) (  78.87, -86.20)    2.05                65
 09/05/2013   11:25:10   ( -79.20,  83.48) ( -79.20,  83.43)    1.12                12
 09/08/2013   02:52:12   (  79.05,  30.81) (  79.05,  30.80)    0.39                33
 09/08/2013   03:41:31   ( -79.33,-159.78) ( -79.34,-159.75)    0.77                44
 09/10/2013   19:08:34   (  79.13, 147.16) (  79.12, 147.06)    2.52                 0
 09/10/2013   19:55:53   ( -81.83,   0.60) ( -81.20,   0.42)   70.42                73
 09/13/2013   10:35:37   ( -78.96,  94.39) ( -78.95,  94.34)    1.04                45