Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 12 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)
 12/07/2016   18:18:49   ( -79.36, -18.89) 12/07/2016   18:17:41  ( -79.36, -18.86)    0.78                68
 12/07/2016   19:08:07   (  79.65, 150.82) 12/07/2016   19:08:16  (  79.66, 150.94)    2.60                 9
 12/10/2016   10:35:15   ( -79.47,  97.78) 12/10/2016   10:34:32  ( -79.48,  97.90)    2.74                43
 12/10/2016   11:24:36   (  79.65, -93.30) 12/10/2016   11:25:11  (  79.65, -93.38)    1.66                35
 12/13/2016   02:51:42   ( -79.51,-146.11) 12/13/2016   02:51:25  ( -79.50,-146.15)    0.92                17
 12/13/2016   03:41:00   (  79.79,  23.64) 12/13/2016   03:42:00  (  79.79,  23.70)    1.27                60
 12/15/2016   18:18:48   (  79.33, 160.93) 12/15/2016   18:17:39  (  79.33, 160.90)    0.62                69
 12/15/2016   19:08:07   ( -79.64, -29.25) 12/15/2016   19:08:15  ( -79.65, -29.13)    2.55                 8
 12/18/2016   10:35:15   (  79.39, -82.80) 12/18/2016   10:34:32  (  79.38, -82.93)    2.70                43