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   10:35:20   (  79.12, -84.65) 08/12/2016   10:34:41  (  79.11, -84.70)    0.97                39
 08/12/2016   11:24:39   ( -79.44,  85.06) 08/12/2016   11:25:17  ( -79.45,  85.13)    1.68                38
 08/15/2016   02:51:46   (  79.18,  31.62) 08/15/2016   02:51:32  (  79.17,  31.51)    2.60                14
 08/15/2016   03:41:05   ( -79.50,-158.63) 08/15/2016   03:42:08  ( -79.50,-158.63)    0.14                63
 08/17/2016   18:18:53   ( -79.01, -21.17) 08/17/2016   18:17:46  ( -79.01, -21.17)    0.13                67
 08/17/2016   19:08:09   (  79.39, 148.87) 08/17/2016   19:08:19  (  79.40, 149.01)    2.92                10
 08/20/2016   10:35:19   ( -79.10,  95.26) 08/20/2016   10:34:37  ( -79.10,  95.25)    0.32                42
 08/20/2016   11:24:35   (  79.48, -94.66) 08/20/2016   11:25:10  (  79.49, -94.53)    2.84                35
 08/23/2016   02:51:44   ( -79.23,-148.09) 08/23/2016   02:51:27  ( -79.23,-148.09)    0.12                17
 08/23/2016   03:41:04   (  79.44,  20.97) 08/23/2016   03:42:05  (  79.44,  20.84)    2.89                61
 08/25/2016   18:18:50   (  79.00, 158.79) 08/25/2016   18:17:41  (  79.00, 158.78)    0.26                69