Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 3 17.  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)
 03/18/2016   19:08:54   ( -79.43, -30.75) 03/18/2016   19:08:41  ( -79.44, -30.73)    0.39                13
 03/18/2016   19:58:12   (  79.73, 139.01) 03/18/2016   19:59:16  (  79.73, 139.09)    1.71                64
 03/21/2016   10:36:01   (  79.23, -83.86) 03/21/2016   10:34:53  (  79.23, -83.88)    0.30                68
 03/21/2016   11:25:22   ( -79.47,  85.37) 03/21/2016   11:25:32  ( -79.46,  85.23)    3.15                10
 03/24/2016   02:52:29   (  79.29,  32.39) 03/24/2016   02:51:44  (  79.28,  32.30)    1.86                45
 03/24/2016   03:41:47   ( -79.64,-157.55) 03/24/2016   03:42:19  ( -79.64,-157.46)    1.74                32
 03/26/2016   19:08:55   (  79.41, 149.06) 03/26/2016   19:08:33  (  79.40, 149.00)    1.39                22
 03/26/2016   19:58:14   ( -79.72, -41.09) 03/26/2016   19:59:09  ( -79.72, -40.98)    2.29                55
 03/29/2016   10:37:26   ( -75.47,  80.41) 03/29/2016   10:36:12  ( -75.69,  79.23)   41.20                74
 03/29/2016   11:25:20   (  79.55, -94.08) 03/29/2016   11:25:21  (  79.55, -94.03)    1.17                 1