Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 2 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)
 02/04/2015   15:51:54   (  78.28,-167.92) 02/04/2015   15:51:42  (  78.28,-167.91)    0.32                12
 02/04/2015   16:41:09   ( -78.79,   2.41) 02/04/2015   16:42:14  ( -78.79,   2.46)    1.17                65
 02/07/2015   07:19:07   ( -77.89, 138.49) 02/07/2015   07:17:55  ( -77.90, 138.55)    1.63                72
 02/07/2015   08:08:18   (  78.53, -50.74) 02/07/2015   08:08:23  (  78.54, -50.63)    2.66                 5
 02/09/2015   23:35:37   ( -77.89,-105.63) 02/09/2015   23:34:44  ( -77.88,-105.73)    2.45                53
 02/10/2015   00:24:49   (  78.49,  64.90) 02/10/2015   00:25:13  (  78.49,  64.84)    1.45                24
 02/12/2015   15:52:00   ( -78.15,  11.45) 02/12/2015   15:51:26  ( -78.15,  11.42)    0.80                34
 02/12/2015   16:41:12   (  78.73,-177.90) 02/12/2015   16:41:55  (  78.73,-177.89)    0.37                43
 02/15/2015   08:08:22   ( -78.40, 128.57) 02/15/2015   08:08:08  ( -78.40, 128.60)    0.59                14