Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 4 21.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2013   12:15:19   ( -79.63,  74.09) ( -79.62,  73.97)    2.58                30
 04/22/2013   13:04:40   (  79.81,-116.91) (  79.80,-117.06)    3.16                48
 04/25/2013   04:31:41   ( -79.76,-169.02) ( -79.77,-168.90)    2.52                 1
 04/27/2013   19:58:42   (  79.63, 138.25) (  79.63, 138.31)    1.26                46
 04/27/2013   20:48:04   ( -79.82, -52.72) ( -79.83, -52.62)    2.19                31
 04/30/2013   12:15:02   (  79.71,-105.23) (  79.72,-105.16)    1.56                12
 04/30/2013   13:04:23   ( -79.93,  64.10) ( -79.94,  64.24)    2.84                65
 05/03/2013   03:41:59   ( -79.61,-157.69) ( -79.62,-157.54)    3.08                54