Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 11.  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)
 08/12/2016   10:35:19   (  79.13, -84.55) 08/12/2016   10:34:40  (  79.13, -84.59)    0.99                39
 08/12/2016   11:24:38   ( -79.46,  85.17) 08/12/2016   11:25:16  ( -79.46,  85.25)    1.62                38
 08/15/2016   02:51:47   (  79.16,  31.48) 08/15/2016   02:51:33  (  79.15,  31.36)    2.70                14
 08/15/2016   03:41:05   ( -79.52,-158.51) 08/15/2016   03:42:08  ( -79.52,-158.52)    0.39                63
 08/17/2016   18:18:53   ( -79.03, -21.06) 08/17/2016   18:17:46  ( -79.03, -21.07)    0.32                67
 08/17/2016   19:08:10   (  79.37, 148.73) 08/17/2016   19:08:20  (  79.38, 148.85)    2.65                10
 08/20/2016   10:35:20   ( -79.08,  95.13) 08/20/2016   10:34:38  ( -79.08,  95.09)    0.87                42
 08/20/2016   11:24:36   (  79.46, -94.81) 08/20/2016   11:25:11  (  79.47, -94.70)    2.32                35
 08/23/2016   02:51:44   ( -79.21,-148.22) 08/23/2016   02:51:27  ( -79.20,-148.25)    0.75                17