Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 8 29.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/31/2014   05:42:57   ( -67.61, 140.69) 08/31/2014   05:41:43  ( -67.76, 139.90)   37.22                74
 08/31/2014   06:29:54   (  75.53, -37.66) 08/31/2014   06:29:55  (  75.53, -37.70)    1.07                 1
 08/31/2014   07:16:43   ( -81.49, 170.21) 08/31/2014   07:17:57  ( -81.05, 170.86)   50.29                74
 09/02/2014   21:57:07   ( -74.90, -91.12) 09/02/2014   21:56:24  ( -74.90, -91.13)    0.41                43
 09/02/2014   22:46:12   (  75.91,  79.33) 09/02/2014   22:46:47  (  75.90,  79.28)    1.46                35
 09/05/2014   14:13:20   ( -75.51,  26.41) 09/05/2014   14:13:11  ( -75.51,  26.46)    1.69                 9
 09/05/2014   15:02:27   (  76.40,-163.23) 09/05/2014   15:03:36  (  76.40,-163.20)    0.88                69
 09/08/2014   05:40:36   (  74.48, -28.02) 09/08/2014   05:39:46  (  74.47, -28.09)    2.39                50
 09/08/2014   06:29:37   ( -75.83, 143.24) 09/08/2014   06:30:03  ( -75.83, 143.26)    0.60                26
 09/10/2014   21:56:48   (  75.09,  89.43) 09/10/2014   21:56:33  (  75.08,  89.39)    1.40                15