Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2011 12 15.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2011   02:51:24   ( -79.60,-145.05) ( -79.60,-144.95)    2.06                26
 12/16/2011   03:40:45   (  79.78,  23.98) (  79.78,  24.02)    0.96                52
 12/18/2011   19:07:50   ( -79.68, -28.53) ( -79.69, -28.38)    3.11                 4
 12/18/2011   19:56:30   (  81.08, 153.86) (  80.88, 154.42)   24.27                73
 12/21/2011   10:34:54   (  79.50, -81.58) (  79.51, -81.44)    2.91                58
 12/21/2011   11:24:15   ( -79.73,  87.72) ( -79.74,  87.84)    2.58                19
 12/24/2011   02:51:19   (  79.55,  34.65) (  79.55,  34.68)    0.65                34
 12/24/2011   03:40:40   ( -79.78,-156.03) ( -79.78,-156.01)    0.44                43
 12/26/2011   19:07:41   (  79.67, 151.43) (  79.68, 151.58)    3.16                10