Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 12 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)
 12/05/2018   19:08:22   ( -79.54, -30.01) 12/05/2018   19:08:09  ( -79.53, -30.15)    3.01                13
 12/05/2018   19:57:41   (  79.80, 139.54) 12/05/2018   19:58:45  (  79.80, 139.49)    0.93                64
 12/08/2018   10:35:28   (  79.38, -82.88) 12/08/2018   10:34:23  (  79.38, -82.94)    1.24                65
 12/08/2018   11:24:46   ( -79.72,  87.17) 12/08/2018   11:24:58  ( -79.72,  87.29)    2.50                12
 12/11/2018   02:51:54   (  79.48,  33.71) 12/11/2018   02:51:15  (  79.47,  33.62)    2.05                39
 12/11/2018   03:41:13   ( -79.78,-156.47) 12/11/2018   03:41:51  ( -79.79,-156.37)    1.96                38
 12/13/2018   19:08:20   (  79.54, 150.02) 12/13/2018   19:08:07  (  79.54, 149.90)    2.48                13
 12/13/2018   19:57:39   ( -79.84, -40.13) 12/13/2018   19:58:43  ( -79.85, -40.04)    1.75                64
 12/16/2018   10:35:24   ( -79.49,  97.91) 12/16/2018   10:34:19  ( -79.50,  98.03)    2.61                65