Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 17.  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)
 11/19/2018   19:08:21   ( -79.59, -29.69) 11/19/2018   19:08:08  ( -79.60, -29.59)    2.20                13
 11/19/2018   19:57:40   (  79.80, 139.55) 11/19/2018   19:58:45  (  79.80, 139.55)    0.27                65
 11/22/2018   10:35:29   (  79.33, -83.22) 11/22/2018   10:34:25  (  79.32, -83.34)    2.64                64
 11/22/2018   11:24:48   ( -79.64,  86.58) 11/22/2018   11:25:01  ( -79.64,  86.54)    0.94                13
 11/25/2018   02:51:54   (  79.50,  33.78) 11/25/2018   02:51:15  (  79.50,  33.81)    0.70                39
 11/25/2018   03:41:14   ( -79.77,-156.63) 11/25/2018   03:41:52  ( -79.77,-156.50)    2.78                38
 11/27/2018   19:08:22   (  79.54, 149.98) 11/27/2018   19:08:09  (  79.54, 149.89)    1.93                13
 11/27/2018   19:57:42   ( -79.81, -40.41) 11/27/2018   19:58:46  ( -79.81, -40.38)    0.52                64
 11/30/2018   10:35:29   ( -79.41,  97.27) 11/30/2018   10:34:24  ( -79.40,  97.25)    0.54                65