Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 23.  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)
 11/25/2018   02:51:54   (  79.50,  33.83) 11/25/2018   02:51:15  (  79.50,  33.86)    0.75                39
 11/25/2018   03:41:14   ( -79.77,-156.62) 11/25/2018   03:41:52  ( -79.77,-156.47)    2.93                38
 11/27/2018   19:08:22   (  79.55, 150.02) 11/27/2018   19:08:09  (  79.54, 149.94)    1.71                13
 11/27/2018   19:57:42   ( -79.81, -40.40) 11/27/2018   19:58:46  ( -79.81, -40.36)    0.82                64
 11/30/2018   10:35:28   ( -79.40,  97.27) 11/30/2018   10:34:23  ( -79.40,  97.27)    0.05                65
 11/30/2018   11:24:46   (  79.70, -93.00) 11/30/2018   11:24:58  (  79.71, -92.87)    2.73                12
 12/03/2018   02:51:55   ( -79.48,-146.33) 12/03/2018   02:51:16  ( -79.48,-146.38)    1.23                39
 12/03/2018   03:41:14   (  79.73,  23.15) 12/03/2018   03:41:52  (  79.74,  23.20)    1.29                38
 12/05/2018   19:08:22   ( -79.55, -29.95) 12/05/2018   19:08:09  ( -79.54, -30.05)    1.99                13