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   22:46:37   (  75.78,  78.90) 06/30/2014   22:45:25  (  75.79,  78.96)    1.96                72
 06/30/2014   23:35:45   ( -76.73,-110.42) 06/30/2014   23:35:50  ( -76.74,-110.32)    2.97                 5
 07/03/2014   15:03:05   (  75.88,-164.95) 07/03/2014   15:02:21  (  75.87,-165.00)    1.71                44
 07/03/2014   15:52:14   ( -76.78,   5.62) 07/03/2014   15:52:47  ( -76.77,   5.59)    0.82                33
 07/06/2014   07:19:26   (  76.30, -47.76) 07/06/2014   07:19:09  (  76.31, -47.70)    1.87                17
 07/06/2014   08:08:36   ( -77.14, 122.82) 07/06/2014   08:09:36  ( -77.15, 122.92)    2.75                60
 07/08/2014   22:46:46   ( -75.52,-101.89) 07/08/2014   22:45:40  ( -75.51,-101.92)    0.88                66
 07/08/2014   23:35:51   (  76.51,  68.81) 07/08/2014   23:36:02  (  76.51,  68.84)    0.57                11
 07/11/2014   15:03:09   ( -75.78,  14.72) 07/11/2014   15:02:31  ( -75.77,  14.68)    1.38                38
 07/11/2014   15:52:15   (  76.71,-174.64) 07/11/2014   15:52:54  (  76.71,-174.62)    0.48                39
 07/14/2014   07:19:32   ( -76.06, 131.48) 07/14/2014   07:19:22  ( -76.06, 131.45)    0.71                10