Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 3 13.  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)
 03/16/2016   02:52:25   ( -79.38,-146.99) 03/16/2016   02:51:50  ( -79.38,-146.97)    0.51                35
 03/16/2016   03:41:44   (  79.64,  22.45) 03/16/2016   03:42:26  (  79.65,  22.55)    2.03                42
 03/18/2016   19:08:51   ( -79.50, -30.27) 03/18/2016   19:08:39  ( -79.51, -30.18)    1.97                12
 03/18/2016   19:58:13   (  79.65, 138.38) 03/18/2016   19:59:19  (  79.64, 138.24)    2.87                66
 03/21/2016   10:35:57   (  79.29, -83.46) 03/21/2016   10:34:51  (  79.30, -83.35)    2.28                66
 03/21/2016   11:25:18   ( -79.53,  85.81) 03/21/2016   11:25:30  ( -79.53,  85.79)    0.60                12
 03/24/2016   02:52:23   (  79.38,  33.01) 03/24/2016   02:51:41  (  79.39,  33.10)    1.97                42
 03/24/2016   03:41:45   ( -79.58,-157.95) 03/24/2016   03:42:21  ( -79.58,-157.99)    0.83                36
 03/26/2016   19:08:50   (  79.41, 149.12) 03/26/2016   19:08:33  (  79.40, 149.02)    2.38                17