Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 12 21.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2012   12:14:13   (  79.67,-105.53) (  79.67,-105.56)    0.69                60
 12/23/2012   13:03:35   ( -79.86,  63.51) ( -79.86,  63.51)    0.28                17
 12/26/2012   04:30:41   (  79.76,  11.03) (  79.77,  11.10)    1.34                37
 12/26/2012   05:20:03   ( -79.95,-179.88) ( -79.95,-179.79)    1.85                40
 12/28/2012   20:47:12   (  79.79, 127.13) (  79.79, 127.14)    0.22                15
 12/28/2012   21:36:34   ( -79.98, -63.76) ( -79.98, -63.73)    0.61                62
 12/31/2012   12:14:24   ( -79.62,  74.04) ( -79.61,  73.95)    2.18                72
 12/31/2012   13:03:43   (  79.87,-116.42) (  79.88,-116.30)    2.42                 5
 01/03/2013   04:30:57   ( -79.63,-169.99) ( -79.63,-170.13)    2.95                53