Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 9 2.  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)
 09/03/2015   08:57:09   ( -78.52, 116.66) 09/03/2015   08:56:21  ( -78.52, 116.61)    1.06                48
 09/03/2015   09:46:26   (  78.88, -73.72) 09/03/2015   09:46:56  (  78.88, -73.84)    2.68                30
 09/06/2015   01:13:33   ( -78.71,-126.46) 09/06/2015   01:13:07  ( -78.71,-126.44)    0.49                26
 09/06/2015   02:02:50   (  79.06,  43.21) 09/06/2015   02:03:42  (  79.06,  43.18)    0.89                52
 09/08/2015   17:30:02   ( -78.72, -10.53) 09/08/2015   17:29:59  ( -78.71, -10.66)    2.85                 3
 09/08/2015   18:18:49   (  80.18, 167.24) 09/08/2015   18:20:03  (  80.07, 167.51)   13.66                74
 09/11/2015   08:57:06   (  78.61, -62.86) 09/11/2015   08:56:08  (  78.62, -62.75)    2.53                58
 09/11/2015   09:46:25   ( -78.97, 106.74) 09/11/2015   09:46:44  ( -78.97, 106.80)    1.47                19
 09/14/2015   01:13:32   (  78.73,  53.63) 09/14/2015   01:12:57  (  78.73,  53.71)    1.83                35
 09/14/2015   02:02:51   ( -79.08,-136.73) 09/14/2015   02:03:33  ( -79.08,-136.69)    0.90                42
 09/16/2015   17:29:56   (  78.87, 170.30) 09/16/2015   17:29:44  (  78.88, 170.41)    2.45                12