Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 5 7.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/08/2013   12:15:11   ( -79.61,  73.83) ( -79.61,  73.88)    1.19                15
 05/08/2013   13:04:32   (  79.79,-117.16) (  79.79,-117.14)    0.42                63
 05/11/2013   03:42:15   (  79.39,  20.58) (  79.38,  20.46)    2.57                61
 05/11/2013   04:31:35   ( -79.65,-169.94) ( -79.65,-170.01)    1.48                16
 05/13/2013   19:58:36   (  79.52, 137.39) (  79.51, 137.32)    1.58                30
 05/13/2013   20:47:57   ( -79.75, -53.35) ( -79.74, -53.36)    0.25                47
 05/16/2013   11:27:14   ( -75.01,  66.78) ( -75.30,  65.24)   54.58                74
 05/16/2013   12:14:58   (  79.59,-106.23) (  79.58,-106.37)    3.10                 2
 05/19/2013   03:41:57   ( -79.49,-158.69) ( -79.49,-158.65)    0.69                44
 05/19/2013   04:31:17   (  79.70,  10.51) (  79.70,  10.48)    0.75                34