Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 6 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)
 06/28/2017   11:24:54   ( -79.25,  83.83) 06/28/2017   11:24:30  ( -79.24,  83.73)    2.33                24
 06/28/2017   12:14:10   (  79.62,-106.00) 06/28/2017   12:15:03  (  79.63,-105.88)    2.60                53
 07/01/2017   02:53:32   (  74.80,  14.50) 07/01/2017   02:52:19  (  75.03,  13.06)   48.34                73
 07/01/2017   03:41:19   ( -79.40,-159.30) 07/01/2017   03:41:20  ( -79.40,-159.25)    1.09                 1
 07/03/2017   19:08:26   (  79.18, 147.49) 07/03/2017   19:07:36  (  79.17, 147.41)    1.87                50
 07/03/2017   19:57:46   ( -79.47, -42.96) 07/03/2017   19:58:13  ( -79.46, -43.02)    1.37                27
 07/06/2017   11:24:49   (  79.35, -95.48) 07/06/2017   11:24:24  (  79.36, -95.36)    2.54                25
 07/06/2017   12:14:10   ( -79.60,  73.87) 07/06/2017   12:15:02  ( -79.61,  74.03)    3.18                52
 07/09/2017   02:53:48   ( -73.97,-167.50) 07/09/2017   02:52:35  ( -74.21,-169.14)   56.50                73
 07/09/2017   03:41:16   (  79.41,  20.77) 07/09/2017   03:41:17  (  79.41,  20.82)    1.06                 1