Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 12 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)
 12/03/2018   02:51:56   ( -79.45,-146.52) 12/03/2018   02:51:17  ( -79.45,-146.60)    1.76                39
 12/03/2018   03:41:14   (  79.75,  23.27) 12/03/2018   03:41:52  (  79.75,  23.30)    0.58                38
 12/05/2018   19:08:23   ( -79.52, -30.14) 12/05/2018   19:08:10  ( -79.51, -30.28)    2.91                13
 12/05/2018   19:57:42   (  79.78, 139.39) 12/05/2018   19:58:46  (  79.78, 139.35)    0.81                64
 12/08/2018   10:35:27   (  79.40, -82.76) 12/08/2018   10:34:22  (  79.39, -82.81)    1.03                65
 12/08/2018   11:24:46   ( -79.70,  87.03) 12/08/2018   11:24:58  ( -79.71,  87.15)    2.68                12
 12/11/2018   02:51:54   (  79.46,  33.55) 12/11/2018   02:51:15  (  79.46,  33.47)    1.72                39
 12/11/2018   03:41:13   ( -79.76,-156.63) 12/11/2018   03:41:51  ( -79.77,-156.52)    2.27                38
 12/13/2018   19:08:20   (  79.56, 150.11) 12/13/2018   19:08:07  (  79.55, 150.01)    2.02                13