Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 10 16.  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)
 10/18/2016   02:51:38   (  79.41,  33.15) 10/18/2016   02:51:29  (  79.40,  33.03)    2.51                 9
 10/18/2016   03:40:58   ( -79.68,-157.31) 10/18/2016   03:42:06  ( -79.67,-157.38)    1.53                68
 10/20/2016   18:18:45   ( -79.31, -19.30) 10/20/2016   18:17:43  ( -79.31, -19.23)    1.49                62
 10/20/2016   19:08:05   (  79.53, 149.84) 10/20/2016   19:08:21  (  79.53, 149.81)    0.66                16
 10/23/2016   10:35:13   ( -79.34,  96.80) 10/23/2016   10:34:37  ( -79.34,  96.74)    1.31                36
 10/23/2016   11:24:30   (  79.67, -93.27) 10/23/2016   11:25:11  (  79.68, -93.13)    2.89                41
 10/26/2016   02:51:40   ( -79.44,-146.67) 10/26/2016   02:51:30  ( -79.43,-146.78)    2.43                10
 10/26/2016   03:40:58   (  79.72,  23.02) 10/26/2016   03:42:05  (  79.73,  23.10)    1.75                67
 10/28/2016   18:18:44   (  79.35, 160.99) 10/28/2016   18:17:42  (  79.36, 161.13)    3.05                62