Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 2 27.  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)
 02/28/2018   19:58:30   ( -79.74, -40.73) 02/28/2018   19:57:52  ( -79.75, -40.65)    1.64                38
 02/28/2018   20:47:50   (  79.95, 128.54) 02/28/2018   20:48:30  (  79.95, 128.57)    0.61                40
 03/03/2018   12:14:58   ( -79.80,  75.64) 03/03/2018   12:14:43  ( -79.81,  75.68)    0.90                15
 03/03/2018   13:04:19   (  79.97,-115.38) 03/03/2018   13:05:22  (  79.97,-115.40)    0.29                63
 03/06/2018   03:42:05   (  79.63,  22.57) 03/06/2018   03:40:56  (  79.63,  22.58)    0.35                69
 03/06/2018   04:31:26   ( -79.86,-168.02) 03/06/2018   04:31:34  ( -79.86,-167.99)    0.52                 8
 03/08/2018   19:58:31   (  79.72, 139.14) 03/08/2018   19:57:45  (  79.72, 139.14)    0.15                46
 03/08/2018   20:47:53   ( -79.92, -51.69) 03/08/2018   20:48:24  ( -79.92, -51.67)    0.48                31
 03/11/2018   12:14:59   (  79.77,-104.58) 03/11/2018   12:14:36  (  79.78,-104.58)    0.13                23