Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 11 30.  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)
 11/30/2015   09:46:13   ( -79.07, 107.46) 11/30/2015   09:45:53  ( -79.06, 107.34)    2.48                20
 11/30/2015   10:35:30   (  79.42, -82.67) 11/30/2015   10:36:27  (  79.41, -82.73)    1.26                57
 12/03/2015   01:13:16   (  78.99,  55.27) 12/03/2015   01:12:03  (  79.00,  55.37)    2.37                73
 12/03/2015   02:02:37   ( -79.24,-135.57) 12/03/2015   02:02:42  ( -79.24,-135.60)    0.57                 5
 12/05/2015   17:29:42   (  79.03, 171.38) 12/05/2015   17:28:55  (  79.03, 171.38)    0.14                47
 12/05/2015   18:19:02   ( -79.32, -19.18) 12/05/2015   18:19:33  ( -79.31, -19.32)    3.03                31
 12/08/2015   09:46:06   (  79.17, -71.87) 12/08/2015   09:45:45  (  79.17, -71.88)    0.32                21
 12/08/2015   10:35:24   ( -79.53,  98.14) 12/08/2015   10:36:20  ( -79.54,  98.28)    2.83                56
 12/11/2015   01:13:14   ( -78.91,-125.19) 12/11/2015   01:12:02  ( -78.91,-125.23)    0.79                72
 12/11/2015   02:02:29   (  79.34,  45.06) 12/11/2015   02:02:34  (  79.34,  45.13)    1.40                 5
 12/13/2015   17:29:35   ( -79.14,  -7.92) 12/13/2015   17:28:49  ( -79.15,  -7.81)    2.44                46