Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 6 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)
 06/30/2014   22:46:38   (  75.76,  78.82) 06/30/2014   22:45:26  (  75.77,  78.88)    1.90                72
 06/30/2014   23:35:46   ( -76.71,-110.50) 06/30/2014   23:35:51  ( -76.72,-110.41)    2.70                 5
 07/03/2014   15:03:06   (  75.86,-165.02) 07/03/2014   15:02:22  (  75.85,-165.08)    1.99                44
 07/03/2014   15:52:16   ( -76.71,   5.37) 07/03/2014   15:52:49  ( -76.70,   5.33)    1.29                33
 07/06/2014   07:19:26   (  76.28, -47.82) 07/06/2014   07:19:09  (  76.29, -47.78)    1.25                17
 07/06/2014   08:08:37   ( -77.07, 122.57) 07/06/2014   08:09:37  ( -77.08, 122.64)    1.96                60
 07/08/2014   22:46:48   ( -75.41,-102.22) 07/08/2014   22:45:42  ( -75.40,-102.29)    2.02                66
 07/08/2014   23:35:52   (  76.45,  68.60) 07/08/2014   23:36:03  (  76.44,  68.58)    0.52                11
 07/11/2014   15:03:05   ( -76.01,  15.42) 07/11/2014   15:02:26  ( -76.02,  15.52)    2.94                39