Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 26.  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)
 08/28/2016   10:35:15   (  79.12, -84.60) 08/28/2016   10:34:31  (  79.12, -84.59)    0.21                44
 08/28/2016   11:24:34   ( -79.44,  85.11) 08/28/2016   11:25:07  ( -79.45,  85.19)    1.75                33
 08/31/2016   02:51:39   (  79.27,  32.23) 08/31/2016   02:51:20  (  79.28,  32.33)    2.06                19
 08/31/2016   03:41:02   ( -79.44,-159.04) 08/31/2016   03:42:01  ( -79.43,-159.17)    2.94                59
 09/02/2016   18:18:47   ( -79.00, -21.24) 09/02/2016   18:17:36  ( -79.00, -21.22)    0.47                71
 09/02/2016   19:08:06   (  79.26, 148.04) 09/02/2016   19:08:13  (  79.26, 147.95)    1.98                 7
 09/05/2016   10:35:10   ( -79.18,  95.77) 09/05/2016   10:34:24  ( -79.19,  95.91)    3.01                46
 09/05/2016   11:24:30   (  79.40, -95.16) 09/05/2016   11:25:02  (  79.41, -95.12)    0.87                32
 09/08/2016   02:51:37   ( -79.20,-148.22) 09/08/2016   02:51:17  ( -79.20,-148.23)    0.26                20