Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 15.  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)
 08/17/2016   18:18:53   ( -79.02, -21.13) 08/17/2016   18:17:46  ( -79.02, -21.12)    0.33                67
 08/17/2016   19:08:09   (  79.40, 148.94) 08/17/2016   19:08:19  (  79.41, 149.08)    2.98                10
 08/20/2016   10:35:19   ( -79.11,  95.33) 08/20/2016   10:34:37  ( -79.12,  95.32)    0.11                42
 08/20/2016   11:24:36   (  79.45, -94.83) 08/20/2016   11:25:11  (  79.46, -94.70)    2.92                35
 08/23/2016   02:51:44   ( -79.24,-147.99) 08/23/2016   02:51:27  ( -79.24,-147.97)    0.35                17
 08/23/2016   03:41:04   (  79.46,  21.10) 08/23/2016   03:42:05  (  79.45,  20.97)    2.83                61
 08/25/2016   18:18:50   (  78.99, 158.71) 08/25/2016   18:17:41  (  78.99, 158.70)    0.26                69
 08/25/2016   19:08:09   ( -79.32, -31.58) 08/25/2016   19:08:17  ( -79.33, -31.52)    1.40                 8
 08/28/2016   10:35:14   (  79.15, -84.46) 08/28/2016   10:34:30  (  79.15, -84.38)    1.73                44