Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 6 27.  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)
 06/28/2017   11:24:53   ( -79.28,  84.05) 06/28/2017   11:24:29  ( -79.27,  83.95)    2.29                24
 06/28/2017   12:14:10   (  79.62,-106.04) 06/28/2017   12:15:03  (  79.62,-105.91)    2.59                53
 07/01/2017   02:53:31   (  74.85,  14.61) 07/01/2017   02:52:18  (  75.07,  13.18)   47.90                73
 07/01/2017   03:41:18   ( -79.43,-159.08) 07/01/2017   03:41:19  ( -79.43,-159.02)    1.25                 1
 07/03/2017   19:08:26   (  79.17, 147.46) 07/03/2017   19:07:36  (  79.17, 147.39)    1.58                50
 07/03/2017   19:57:46   ( -79.46, -43.01) 07/03/2017   19:58:13  ( -79.46, -43.05)    1.03                27
 07/06/2017   11:24:49   (  79.35, -95.52) 07/06/2017   11:24:24  (  79.36, -95.38)    3.05                25
 07/06/2017   12:14:12   ( -79.52,  73.30) 07/06/2017   12:15:05  ( -79.51,  73.18)    2.68                53
 07/09/2017   02:53:41   ( -74.32,-166.69) 07/09/2017   02:52:27  ( -74.59,-168.13)   52.54                74
 07/09/2017   03:41:16   (  79.40,  20.72) 07/09/2017   03:41:17  (  79.41,  20.81)    1.90                 1
 07/11/2017   19:08:26   ( -79.13, -32.81) 07/11/2017   19:07:36  ( -79.12, -32.95)    3.17                50