Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 28.  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)
 11/30/2018   10:35:28   ( -79.40,  97.29) 11/30/2018   10:34:23  ( -79.40,  97.27)    0.37                65
 11/30/2018   11:24:46   (  79.70, -92.96) 11/30/2018   11:24:58  (  79.71, -92.84)    2.31                12
 12/03/2018   02:51:56   ( -79.44,-146.57) 12/03/2018   02:51:17  ( -79.44,-146.66)    1.83                39
 12/03/2018   03:41:14   (  79.74,  23.19) 12/03/2018   03:41:52  (  79.74,  23.22)    0.60                38
 12/05/2018   19:08:23   ( -79.52, -30.19) 12/05/2018   19:08:10  ( -79.51, -30.33)    2.86                13
 12/05/2018   19:57:41   (  79.81, 139.59) 12/05/2018   19:58:45  (  79.80, 139.56)    0.67                64
 12/08/2018   10:35:28   (  79.39, -82.83) 12/08/2018   10:34:23  (  79.38, -82.87)    0.72                65
 12/08/2018   11:24:46   ( -79.73,  87.24) 12/08/2018   11:24:58  ( -79.73,  87.38)    2.95                12
 12/11/2018   02:51:53   (  79.49,  33.73) 12/11/2018   02:51:14  (  79.48,  33.68)    1.13                39