Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 26.  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)
 07/27/2016   10:35:17   (  79.24, -83.89) 07/27/2016   10:34:45  (  79.25, -83.77)    2.59                32
 07/27/2016   11:24:39   ( -79.44,  85.08) 07/27/2016   11:25:25  ( -79.44,  85.06)    0.51                46
 07/30/2016   02:51:44   (  79.24,  32.03) 07/30/2016   02:51:39  (  79.24,  31.98)    1.05                 5
 07/30/2016   03:41:03   ( -79.56,-158.20) 07/30/2016   03:42:15  ( -79.57,-158.10)    2.21                72
 08/01/2016   18:18:50   ( -79.06, -20.86) 08/01/2016   18:17:54  ( -79.06, -20.87)    0.14                56
 08/01/2016   19:08:07   (  79.40, 148.93) 08/01/2016   19:08:28  (  79.41, 149.03)    2.12                21
 08/04/2016   10:35:15   ( -79.10,  95.25) 08/04/2016   10:34:46  ( -79.09,  95.11)    3.11                29
 08/04/2016   11:24:32   (  79.43, -94.96) 08/04/2016   11:25:20  (  79.43, -94.99)    0.73                48
 08/07/2016   02:51:37   ( -79.29,-147.68) 08/07/2016   02:51:34  ( -79.29,-147.65)    0.67                 3