Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 6.  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)
 07/06/2014   07:19:28   (  76.16, -48.20) 07/06/2014   07:19:17  (  76.15, -48.27)    1.86                11
 07/06/2014   08:08:38   ( -76.99, 122.28) 07/06/2014   08:09:44  ( -76.99, 122.26)    0.55                66
 07/08/2014   22:46:44   ( -75.52,-101.87) 07/08/2014   22:45:47  ( -75.52,-101.94)    2.11                57
 07/08/2014   23:35:49   (  76.52,  68.86) 07/08/2014   23:36:09  (  76.52,  68.85)    0.47                20
 07/11/2014   15:03:01   ( -76.07,  15.61) 07/11/2014   15:02:35  ( -76.07,  15.68)    1.95                26
 07/11/2014   15:52:13   (  76.71,-174.62) 07/11/2014   15:53:05  (  76.70,-174.69)    1.93                52
 07/14/2014   06:30:18   (  75.15, -38.77) 07/14/2014   06:29:08  (  75.14, -38.85)    2.77                70
 07/14/2014   07:19:26   ( -76.13, 131.71) 07/14/2014   07:19:33  ( -76.12, 131.61)    2.84                 7
 07/16/2014   22:46:32   (  75.79,  78.90) 07/16/2014   22:45:54  (  75.80,  78.96)    1.71                38
 07/16/2014   23:35:42   ( -76.65,-110.70) 07/16/2014   23:36:21  ( -76.66,-110.64)    1.73                39
 07/19/2014   15:02:56   (  75.89,-164.90) 07/19/2014   15:02:52  (  75.88,-164.99)    2.61                 4