Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 24.  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)
 06/25/2016   10:35:29   (  79.19, -84.19) 06/25/2016   10:34:58  (  79.19, -84.20)    0.18                31
 06/25/2016   11:24:48   ( -79.51,  85.53) 06/25/2016   11:25:34  ( -79.51,  85.62)    1.78                46
 06/28/2016   02:51:55   (  79.31,  32.41) 06/28/2016   02:51:49  (  79.31,  32.46)    1.12                 6
 06/28/2016   03:41:15   ( -79.59,-158.06) 06/28/2016   03:42:26  ( -79.60,-157.92)    3.13                71
 06/30/2016   18:19:04   ( -79.07, -20.82) 06/30/2016   18:18:06  ( -79.07, -20.83)    0.20                58
 06/30/2016   19:08:21   (  79.42, 149.00) 06/30/2016   19:08:40  (  79.43, 149.13)    2.92                19
 07/03/2016   10:35:29   ( -79.22,  95.96) 07/03/2016   10:34:56  ( -79.23,  96.06)    2.18                33
 07/03/2016   11:24:49   (  79.44, -94.96) 07/03/2016   11:25:34  (  79.44, -95.01)    1.12                45
 07/06/2016   02:51:56   ( -79.24,-148.02) 07/06/2016   02:51:49  ( -79.24,-148.08)    1.21                 7