Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 21.  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)
 07/22/2016   02:51:49   ( -79.30,-147.64) 07/22/2016   02:51:42  ( -79.30,-147.57)    1.56                 7
 07/22/2016   03:41:10   (  79.48,  21.23) 07/22/2016   03:42:21  (  79.48,  21.11)    2.49                71
 07/24/2016   18:18:54   (  79.06, 159.14) 07/24/2016   18:17:56  (  79.07, 159.17)    0.65                58
 07/24/2016   19:08:15   ( -79.31, -31.65) 07/24/2016   19:08:35  ( -79.31, -31.78)    2.76                20
 07/27/2016   10:35:20   (  79.11, -84.69) 07/27/2016   10:34:49  (  79.10, -84.82)    2.93                31
 07/27/2016   11:24:39   ( -79.44,  85.06) 07/27/2016   11:25:25  ( -79.44,  85.05)    0.27                46
 07/30/2016   02:51:43   (  79.27,  32.18) 07/30/2016   02:51:38  (  79.27,  32.20)    0.70                 5
 07/30/2016   03:41:05   ( -79.48,-158.79) 07/30/2016   03:42:18  ( -79.47,-158.92)    2.74                73
 08/01/2016   18:18:48   ( -79.12, -20.50) 08/01/2016   18:17:52  ( -79.13, -20.39)    2.55                56