Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 12 16.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2012   04:30:41   ( -79.79,-168.80) ( -79.79,-168.65)    3.11                35
 12/18/2012   05:20:02   (  79.96,   0.21) (  79.97,   0.34)    2.67                43
 12/20/2012   20:47:09   ( -79.77, -53.01) ( -79.77, -53.06)    1.02                 8
 12/20/2012   21:36:29   (  79.98, 116.27) (  79.98, 116.21)    1.26                70
 12/23/2012   12:14:10   (  79.70,-105.32) (  79.71,-105.19)    2.78                59
 12/23/2012   13:03:32   ( -79.89,  63.78) ( -79.90,  63.91)    2.63                18
 12/26/2012   04:30:35   (  79.77,  11.07) (  79.77,  11.13)    1.17                32
 12/26/2012   05:19:57   ( -79.95,-179.81) ( -79.96,-179.75)    1.04                45
 12/28/2012   20:47:00   (  79.82, 127.34) (  79.82, 127.38)    0.78                 5