Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 9 9.  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)
 09/10/2014   21:57:19   (  74.80,  88.58) 09/10/2014   21:56:39  (  74.81,  88.61)    0.73                40
 09/10/2014   22:46:28   ( -75.74,-101.22) 09/10/2014   22:47:05  ( -75.73,-101.28)    1.84                37
 09/13/2014   14:13:37   (  75.35,-154.09) 09/13/2014   14:13:27  (  75.36,-154.01)    2.57                10
 09/13/2014   15:02:47   ( -76.22,  16.13) 09/13/2014   15:03:54  ( -76.22,  16.15)    0.54                67
 09/16/2014   05:41:01   ( -74.23, 151.30) 09/16/2014   05:40:05  ( -74.23, 151.27)    1.20                56
 09/16/2014   06:29:58   (  75.66, -37.33) 09/16/2014   06:30:19  (  75.66, -37.29)    1.45                21
 09/18/2014   21:57:17   ( -74.82, -91.37) 09/18/2014   21:56:52  ( -74.83, -91.35)    0.57                25
 09/18/2014   22:46:24   (  75.74,  78.78) 09/18/2014   22:47:17  (  75.73,  78.69)    2.73                53
 09/21/2014   13:24:32   (  74.02,-145.06) 09/21/2014   13:23:22  (  74.02,-145.03)    1.02                70
 09/21/2014   14:13:37   ( -75.18,  25.44) 09/21/2014   14:13:44  ( -75.18,  25.43)    0.56                 7