Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2011 12 8.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2011   18:18:27   ( -79.41, -18.14) ( -79.41, -18.14)    0.12                65
 12/10/2011   19:07:47   (  79.64, 151.11) (  79.63, 151.04)    1.44                13
 12/13/2011   10:34:59   ( -79.40,  97.66) ( -79.39,  97.51)    3.10                45
 12/13/2011   11:24:15   (  79.77, -92.00) (  79.77, -91.91)    1.82                32
 12/16/2011   02:51:30   ( -79.54,-145.53) ( -79.54,-145.52)    0.29                29
 12/16/2011   03:40:50   (  79.76,  23.76) (  79.75,  23.69)    1.41                49
 12/18/2011   19:08:06   ( -79.56, -29.52) ( -79.55, -29.65)    2.79                15
 12/18/2011   19:57:24   (  79.85, 140.33) (  79.85, 140.42)    1.84                62
 12/21/2011   11:24:44   ( -79.65,  86.99) ( -79.65,  87.02)    0.65                 5