Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 8 20.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2013   02:52:30   (  78.94,  30.09) (  78.93,  30.00)    2.07                66
 08/23/2013   03:41:49   ( -79.26,-160.31) ( -79.26,-160.35)    0.80                11
 08/25/2013   19:08:55   (  79.06, 146.68) (  79.05, 146.60)    1.73                36
 08/25/2013   19:58:15   ( -79.34, -43.93) ( -79.34, -43.96)    0.49                41
 08/28/2013   11:25:19   (  79.20, -96.58) (  79.20, -96.55)    0.73                 6
 08/28/2013   12:14:39   ( -79.47,  72.86) ( -79.48,  72.96)    2.07                71
 08/31/2013   02:52:24   ( -79.01,-149.50) ( -79.01,-149.48)    0.46                53
 08/31/2013   03:41:43   (  79.28,  19.82) (  79.28,  19.78)    1.13                25
 09/02/2013   19:08:48   ( -79.12, -32.96) ( -79.12, -32.93)    0.64                22