Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 8 10.  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)
 08/12/2014   14:13:54   (  74.71,-155.79) 08/12/2014   14:12:42  (  74.70,-155.85)    2.16                72
 08/12/2014   15:02:56   ( -76.01,  15.44) 08/12/2014   15:03:00  ( -76.01,  15.46)    0.47                 4
 08/15/2014   06:30:12   (  75.17, -38.71) 08/15/2014   06:29:32  (  75.16, -38.78)    2.20                40
 08/15/2014   07:19:16   ( -76.35, 132.42) 08/15/2014   07:19:52  ( -76.35, 132.44)    0.50                36
 08/17/2014   22:46:28   (  75.75,  78.80) 08/17/2014   22:46:20  (  75.75,  78.81)    0.21                 8
 08/17/2014   23:35:35   ( -76.77,-110.29) 08/17/2014   23:36:43  ( -76.78,-110.18)    2.96                68
 08/20/2014   14:13:46   ( -74.96,  24.86) 08/20/2014   14:12:53  ( -74.96,  24.85)    0.46                53
 08/20/2014   15:02:50   (  76.00,-164.55) 08/20/2014   15:03:15  (  76.00,-164.59)    1.12                25
 08/23/2014   06:30:03   ( -75.45, 142.06) 08/23/2014   06:29:43  ( -75.45, 142.07)    0.38                20