Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 6 2.  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)
 06/04/2018   19:58:21   ( -79.54, -42.47) 06/04/2018   19:58:20  ( -79.55, -42.33)    2.98                 1
 06/07/2018   11:25:28   (  79.34, -95.57) 06/07/2018   11:24:36  (  79.34, -95.55)    0.40                52
 06/07/2018   12:14:49   ( -79.59,  73.72) 06/07/2018   12:15:14  ( -79.59,  73.73)    0.27                25
 06/10/2018   03:41:55   (  79.38,  20.57) 06/10/2018   03:41:29  (  79.38,  20.47)    2.27                26
 06/10/2018   04:31:17   ( -79.59,-170.36) 06/10/2018   04:32:08  ( -79.59,-170.49)    2.70                51
 06/12/2018   19:58:21   (  79.50, 137.24) 06/12/2018   19:58:20  (  79.51, 137.30)    1.34                 1
 06/12/2018   20:46:17   ( -81.77, -23.28) 06/12/2018   20:47:31  ( -81.30, -23.05)   51.83                74
 06/15/2018   11:25:30   ( -79.29,  84.08) 06/15/2018   11:24:37  ( -79.29,  84.01)    1.78                53