Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 8 31.  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   05:45:02   ( -60.61, 134.55) 08/31/2014   05:43:49  ( -60.82, 133.28)   72.95                73
 08/31/2014   06:29:52   (  75.74, -37.07) 08/31/2014   06:29:50  (  75.75, -37.00)    2.14                 2
 08/31/2014   07:18:31   ( -78.02, 138.95) 08/31/2014   07:19:45  ( -77.94, 139.30)   11.94                74
 09/02/2014   21:57:18   ( -74.74, -91.56) 09/02/2014   21:56:27  ( -74.74, -91.58)    0.43                51
 09/02/2014   22:46:22   (  75.80,  78.99) 09/02/2014   22:46:49  (  75.79,  78.92)    1.94                27
 09/05/2014   14:13:47   ( -74.99,  24.93) 09/05/2014   14:13:22  ( -74.98,  24.86)    2.16                25
 09/05/2014   15:02:46   (  76.29,-163.65) 09/05/2014   15:03:38  (  76.30,-163.58)    2.24                52
 09/08/2014   05:44:50   (  62.04, -44.48) 09/08/2014   05:43:37  (  62.23, -45.64)   63.50                73
 09/08/2014   06:30:17   ( -75.32, 141.66) 09/08/2014   06:30:15  ( -75.31, 141.61)    1.59                 2
 09/08/2014   07:18:09   (  79.51, -32.73) 09/08/2014   07:19:22  (  79.35, -31.82)   26.16                73
 09/10/2014   21:57:44   (  74.46,  87.64) 09/10/2014   21:56:46  (  74.45,  87.63)    0.46                58
 09/10/2014   22:46:47   ( -75.72,-101.36) 09/10/2014   22:47:05  ( -75.73,-101.32)    1.28                18
 09/13/2014   14:14:23   (  74.60,-156.19) 09/13/2014   14:13:43  (  74.59,-156.23)    1.47                40