Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 3 28.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/29/2013   12:14:57   (  79.77,-104.71) (  79.77,-104.68)    0.67                31
 03/29/2013   13:04:18   ( -79.99,  64.66) ( -79.99,  64.79)    2.67                46
 04/01/2013   03:43:40   ( -75.12,-176.97) ( -75.38,-178.75)   58.63                73
 04/01/2013   04:31:18   (  79.87,  11.98) (  79.88,  12.13)    2.94                 1
 04/03/2013   19:58:21   ( -79.72, -40.92) ( -79.72, -40.88)    0.91                44
 04/03/2013   20:47:41   (  79.92, 128.31) (  79.92, 128.32)    0.23                34
 04/06/2013   12:14:43   ( -79.80,  75.59) ( -79.80,  75.54)    1.09                11
 04/06/2013   13:04:04   (  79.97,-115.45) (  79.96,-115.53)    1.74                67
 04/09/2013   03:41:44   (  79.64,  22.64) (  79.63,  22.50)    3.01                55