Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 1.  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)
 06/04/2016   02:52:03   ( -79.32,-147.52) 06/04/2016   02:51:55  ( -79.32,-147.47)    1.09                 8
 06/04/2016   03:41:23   (  79.55,  21.65) 06/04/2016   03:42:33  (  79.54,  21.62)    0.89                70
 06/06/2016   18:19:10   (  79.06, 159.11) 06/06/2016   18:18:11  (  79.06, 159.08)    0.68                59
 06/06/2016   19:08:29   ( -79.39, -31.20) 06/06/2016   19:08:47  ( -79.39, -31.19)    0.22                18
 06/09/2016   10:35:36   (  79.16, -84.40) 06/09/2016   10:35:03  (  79.16, -84.43)    0.51                33
 06/09/2016   11:24:55   ( -79.48,  85.34) 06/09/2016   11:25:39  ( -79.48,  85.36)    0.50                44
 06/12/2016   02:52:01   (  79.29,  32.30) 06/12/2016   02:51:54  (  79.30,  32.33)    0.83                 7
 06/12/2016   03:41:21   ( -79.57,-158.17) 06/12/2016   03:42:31  ( -79.58,-158.08)    1.90                70
 06/14/2016   18:19:09   ( -79.07, -20.84) 06/14/2016   18:18:11  ( -79.07, -20.88)    0.93                58