Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 3 5.  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   23:35:41   (  78.14,  75.55) 03/05/2015   23:34:31  (  78.13,  75.49)    1.49                70
 03/06/2015   00:24:54   ( -78.74,-113.71) 03/06/2015   00:25:01  ( -78.75,-113.66)    1.26                 7
 03/08/2015   15:52:06   (  78.36,-167.46) 03/08/2015   15:51:18  (  78.36,-167.49)    0.69                48
 03/08/2015   16:41:20   ( -78.92,   3.16) 03/08/2015   16:41:49  ( -78.92,   3.26)    2.14                29
 03/11/2015   08:08:31   (  78.54, -50.67) 03/11/2015   08:08:06  (  78.54, -50.68)    0.36                25
 03/11/2015   08:57:45   ( -79.09, 120.07) 03/11/2015   08:58:37  ( -79.09, 120.18)    2.51                52
 03/13/2015   23:38:55   ( -68.29,-127.28) 03/13/2015   23:37:42  ( -68.54,-128.93)   72.89                73
 03/14/2015   00:24:54   (  78.71,  66.16) 03/14/2015   00:24:53  (  78.71,  66.13)    0.51                 1
 03/14/2015   01:12:34   ( -81.71, -91.18) 03/14/2015   01:13:48  ( -81.32, -90.90)   43.27                74
 03/16/2015   15:52:05   ( -78.31,  12.32) 03/16/2015   15:51:12  ( -78.31,  12.21)    2.38                53