Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 1 21.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2013   20:47:19   ( -79.82, -52.63) ( -79.82, -52.55)    1.56                22
 01/21/2013   21:36:42   (  79.93, 115.93) (  79.93, 115.85)    1.60                56
 01/24/2013   12:15:32   (  77.09,-119.03) (  77.26,-120.20)   35.19                73
 01/24/2013   13:03:53   ( -79.85,  63.44) ( -79.85,  63.50)    1.20                 2
 01/27/2013   04:31:04   (  79.71,  10.60) (  79.71,  10.66)    1.41                51
 01/27/2013   05:20:26   ( -79.89, 179.64) ( -79.88, 179.54)    2.30                27
 01/29/2013   20:47:34   (  79.80, 127.18) (  79.80, 127.23)    1.00                26
 01/29/2013   21:36:57   ( -79.95, -64.03) ( -79.94, -64.14)    2.46                52
 02/01/2013   13:04:07   (  79.80,-116.94) (  79.80,-117.06)    2.57                 0
 02/01/2013   13:51:03   ( -81.30, 108.43) ( -80.51, 106.57)   93.31                73
 02/04/2013   04:31:16   ( -79.71,-169.39) ( -79.72,-169.34)    1.13                52