Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 22.  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)
 07/24/2016   18:18:55   (  79.06, 159.10) 07/24/2016   18:17:57  (  79.06, 159.11)    0.21                58
 07/24/2016   19:08:16   ( -79.31, -31.71) 07/24/2016   19:08:36  ( -79.30, -31.85)    3.01                20
 07/27/2016   10:35:17   (  79.23, -83.97) 07/27/2016   10:34:45  (  79.23, -83.85)    2.61                32
 07/27/2016   11:24:39   ( -79.43,  85.03) 07/27/2016   11:25:25  ( -79.43,  85.00)    0.61                46
 07/30/2016   02:51:43   (  79.27,  32.20) 07/30/2016   02:51:38  (  79.27,  32.17)    0.66                 5
 07/30/2016   03:41:02   ( -79.59,-157.99) 07/30/2016   03:42:14  ( -79.60,-157.87)    2.52                72
 08/01/2016   18:18:49   ( -79.09, -20.69) 08/01/2016   18:17:53  ( -79.09, -20.65)    0.81                56
 08/01/2016   19:08:06   (  79.43, 149.10) 08/01/2016   19:08:27  (  79.44, 149.25)    3.15                21
 08/04/2016   10:35:14   ( -79.17,  95.66) 08/04/2016   10:34:45  ( -79.16,  95.61)    1.29                29