Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 3 3.  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)
 03/05/2015   23:35:42   (  78.11,  75.41) 03/05/2015   23:34:32  (  78.10,  75.33)    1.77                70
 03/06/2015   00:24:54   ( -78.75,-113.64) 03/06/2015   00:25:01  ( -78.76,-113.59)    1.01                 7
 03/08/2015   15:52:07   (  78.33,-167.62) 03/08/2015   15:51:19  (  78.33,-167.67)    1.44                48
 03/08/2015   16:41:21   ( -78.89,   3.00) 03/08/2015   16:41:50  ( -78.89,   3.06)    1.41                29
 03/11/2015   08:08:32   (  78.47, -51.04) 03/11/2015   08:08:07  (  78.46, -51.12)    1.82                25
 03/11/2015   08:57:46   ( -79.02, 119.66) 03/11/2015   08:58:38  ( -79.02, 119.70)    1.04                52
 03/13/2015   23:39:19   ( -66.90,-128.85) 03/13/2015   23:38:06  ( -67.18,-130.60)   81.89                73
 03/14/2015   00:24:56   (  78.64,  65.76) 03/14/2015   00:24:55  (  78.63,  65.64)    2.96                 1
 03/14/2015   01:12:51   ( -81.49, -97.97) 03/14/2015   01:14:05  ( -81.17, -97.50)   35.88                74
 03/16/2015   15:52:03   ( -78.41,  12.80) 03/16/2015   15:51:09  ( -78.41,  12.81)    0.23                54