Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 10 18.  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)
 10/20/2016   18:18:45   ( -79.29, -19.38) 10/20/2016   18:17:43  ( -79.30, -19.31)    1.47                62
 10/20/2016   19:08:05   (  79.52, 149.78) 10/20/2016   19:08:21  (  79.52, 149.74)    0.99                16
 10/23/2016   10:35:14   ( -79.33,  96.76) 10/23/2016   10:34:38  ( -79.33,  96.66)    2.21                36
 10/23/2016   11:24:31   (  79.67, -93.28) 10/23/2016   11:25:12  (  79.67, -93.20)    1.70                41
 10/26/2016   02:51:38   ( -79.52,-146.13) 10/26/2016   02:51:27  ( -79.52,-146.04)    1.70                11
 10/26/2016   03:40:59   (  79.69,  22.79) 10/26/2016   03:42:06  (  79.69,  22.75)    0.81                67
 10/28/2016   18:18:47   (  79.25, 160.35) 10/28/2016   18:17:45  (  79.25, 160.29)    1.19                62
 10/28/2016   19:08:06   ( -79.57, -29.84) 10/28/2016   19:08:21  ( -79.57, -29.82)    0.48                15
 10/31/2016   10:35:13   (  79.38, -82.95) 10/31/2016   10:34:37  (  79.37, -83.01)    1.40                36