Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 2 8.  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)
 02/10/2016   10:36:02   ( -79.37,  97.04) 02/10/2016   10:35:30  ( -79.38,  97.12)    1.74                32
 02/10/2016   11:25:22   (  79.59, -93.78) 02/10/2016   11:26:08  (  79.59, -93.79)    0.26                46
 02/13/2016   02:52:30   ( -79.41,-146.80) 02/13/2016   02:52:20  ( -79.41,-146.80)    0.19                10
 02/13/2016   03:41:50   (  79.63,  22.38) 02/13/2016   03:42:58  (  79.63,  22.27)    2.28                68
 02/15/2016   18:19:38   (  79.20, 160.02) 02/15/2016   18:18:33  (  79.19, 159.98)    0.76                65
 02/15/2016   19:08:57   ( -79.52, -30.21) 02/15/2016   19:09:09  ( -79.51, -30.21)    0.31                12
 02/18/2016   10:36:04   (  79.32, -83.27) 02/18/2016   10:35:21  (  79.33, -83.23)    0.89                43
 02/18/2016   11:25:24   ( -79.60,  86.30) 02/18/2016   11:25:58  ( -79.61,  86.38)    1.77                34
 02/21/2016   02:52:32   (  79.36,  32.85) 02/21/2016   02:52:12  (  79.35,  32.76)    1.90                20