Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 29.  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)
 09/29/2016   10:35:11   (  79.19, -84.15) 09/29/2016   10:34:33  (  79.20, -84.01)    3.04                38
 09/29/2016   11:24:34   ( -79.35,  84.52) 09/29/2016   11:25:14  ( -79.35,  84.40)    2.70                40
 10/02/2016   02:51:39   (  79.26,  32.15) 10/02/2016   02:51:29  (  79.26,  32.20)    1.16                10
 10/02/2016   03:40:59   ( -79.53,-158.37) 10/02/2016   03:42:06  ( -79.54,-158.28)    1.81                67
 10/04/2016   18:18:47   ( -79.09, -20.70) 10/04/2016   18:17:47  ( -79.09, -20.61)    2.05                60
 10/04/2016   19:08:06   (  79.35, 148.64) 10/04/2016   19:08:24  (  79.36, 148.67)    0.64                18
 10/07/2016   10:35:13   ( -79.21,  95.97) 10/07/2016   10:34:41  ( -79.22,  96.10)    2.81                32
 10/07/2016   11:24:32   (  79.47, -94.66) 10/07/2016   11:25:18  (  79.48, -94.59)    1.48                46
 10/10/2016   02:51:40   ( -79.25,-147.92) 10/10/2016   02:51:37  ( -79.24,-147.98)    1.40                 3
 10/10/2016   03:40:23   (  80.72,  32.17) 10/10/2016   03:41:37  (  80.55,  32.53)   19.88                74
 10/12/2016   18:18:45   (  79.10, 159.40) 10/12/2016   18:17:53  (  79.11, 159.46)    1.37                52