Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 9 9.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/10/2013   19:08:50   (  79.13, 147.15) (  79.13, 147.15)    0.24                16
 09/10/2013   19:58:11   ( -79.37, -43.67) ( -79.38, -43.67)    0.24                61
 09/13/2013   10:36:00   ( -78.89,  93.92) ( -78.88,  93.89)    0.65                66
 09/13/2013   11:25:18   (  79.20, -96.56) (  79.19, -96.62)    1.44                12
 09/16/2013   02:52:25   ( -79.02,-149.42) ( -79.02,-149.41)    0.16                38
 09/16/2013   03:41:44   (  79.29,  19.88) (  79.29,  19.85)    0.56                40
 09/18/2013   19:08:50   ( -79.18, -32.60) ( -79.18, -32.46)    3.10                10
 09/18/2013   19:58:09   (  79.43, 136.73) (  79.44, 136.85)    2.54                68
 09/21/2013   10:35:57   (  78.93, -85.82) (  78.94, -85.74)    1.93                58