Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 28.  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)
 08/29/2018   02:52:16   ( -79.05,-149.17) 08/29/2018   02:51:16  ( -79.05,-149.25)    1.94                60
 08/29/2018   03:41:35   (  79.33,  20.23) 08/29/2018   03:41:52  (  79.33,  20.17)    1.14                17
 08/31/2018   19:08:40   ( -79.24, -32.12) 08/31/2018   19:08:07  ( -79.25, -32.01)    2.29                33
 08/31/2018   19:58:02   (  79.40, 136.55) 08/31/2018   19:58:47  (  79.39, 136.41)    3.04                45
 09/03/2018   11:25:08   ( -79.27,  83.93) 09/03/2018   11:25:03  ( -79.28,  83.95)    0.63                 5
 09/03/2018   12:14:26   (  79.58,-106.37) 09/03/2018   12:15:38  (  79.58,-106.27)    1.93                72
 09/06/2018   02:52:13   (  79.13,  31.28) 09/06/2018   02:51:18  (  79.13,  31.35)    1.51                55
 09/06/2018   03:41:34   ( -79.37,-159.54) 09/06/2018   03:41:57  ( -79.37,-159.57)    0.77                23
 09/08/2018   19:08:39   (  79.18, 147.50) 09/08/2018   19:08:12  (  79.19, 147.53)    0.87                27
 09/08/2018   19:58:00   ( -79.43, -43.29) 09/08/2018   19:58:51  ( -79.42, -43.36)    1.64                51
 09/11/2018   10:37:21   ( -74.59,  78.06) 09/11/2018   10:36:07  ( -74.84,  76.72)   48.09                74