Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 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)
 10/02/2016   02:51:36   (  79.36,  32.83) 10/02/2016   02:51:25  (  79.36,  32.73)    2.07                11
 10/02/2016   03:40:56   ( -79.63,-157.67) 10/02/2016   03:42:02  ( -79.63,-157.74)    1.59                66
 10/04/2016   18:18:42   ( -79.27, -19.55) 10/04/2016   18:17:39  ( -79.27, -19.47)    1.63                63
 10/04/2016   19:08:01   (  79.53, 149.86) 10/04/2016   19:08:16  (  79.53, 149.87)    0.29                15
 10/07/2016   10:35:10   ( -79.32,  96.64) 10/07/2016   10:34:34  ( -79.31,  96.59)    1.10                36
 10/07/2016   11:24:29   (  79.58, -93.95) 10/07/2016   11:25:11  (  79.57, -94.06)    2.47                42
 10/10/2016   02:51:37   ( -79.39,-146.97) 10/10/2016   02:51:28  ( -79.39,-147.09)    2.41                 9
 10/10/2016   03:40:54   (  79.72,  22.99) 10/10/2016   03:42:02  (  79.73,  23.11)    2.66                68
 10/12/2016   18:18:43   (  79.21, 160.08) 10/12/2016   18:17:44  (  79.20, 159.95)    2.94                59