Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 8 3.  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)
 08/05/2018   03:41:44   ( -79.38,-159.47) 08/05/2018   03:41:36  ( -79.39,-159.33)    3.16                 8
 08/05/2018   04:31:05   (  79.57,   9.46) 08/05/2018   04:32:15  (  79.57,   9.42)    0.82                70
 08/07/2018   19:08:52   (  79.10, 146.99) 08/07/2018   19:07:56  (  79.10, 146.89)    2.41                56
 08/07/2018   19:58:10   ( -79.46, -43.06) 08/07/2018   19:58:31  ( -79.46, -42.99)    1.38                21
 08/10/2018   11:25:14   (  79.30, -95.88) 08/10/2018   11:24:46  (  79.31, -95.79)    1.84                28
 08/10/2018   12:14:36   ( -79.50,  73.09) 08/10/2018   12:15:26  ( -79.50,  73.07)    0.54                50
 08/13/2018   02:54:00   ( -74.52,-166.23) 08/13/2018   02:52:46  ( -74.79,-167.64)   50.58                74
 08/13/2018   03:41:41   (  79.34,  20.26) 08/13/2018   03:41:42  (  79.34,  20.24)    0.41                 1
 08/15/2018   19:08:47   ( -79.19, -32.46) 08/15/2018   19:07:59  ( -79.20, -32.36)    2.16                48