Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 4 28.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2013   12:15:18   (  79.62,-106.01) (  79.62,-106.03)    0.36                25
 04/30/2013   13:04:39   ( -79.84,  63.28) ( -79.84,  63.29)    0.11                52
 05/03/2013   03:42:38   ( -78.86,-162.61) ( -78.93,-162.88)    9.12                74
 05/03/2013   04:31:41   (  79.75,  10.85) (  79.76,  11.00)    3.20                 3
 05/05/2013   19:58:48   ( -79.53, -42.49) ( -79.52, -42.62)    2.78                45
 05/05/2013   20:48:06   (  79.82, 127.29) (  79.83, 127.44)    3.01                32
 05/08/2013   12:15:11   ( -79.66,  74.33) ( -79.66,  74.33)    0.17                16
 05/08/2013   13:04:32   (  79.84,-116.69) (  79.84,-116.73)    0.79                62
 05/11/2013   03:42:15   (  79.47,  21.19) (  79.46,  21.10)    1.92                63