Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 2 25.  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)
 02/26/2018   03:42:02   ( -79.69,-157.02) 02/26/2018   03:41:01  ( -79.70,-156.89)    2.67                61
 02/26/2018   04:31:22   (  79.90,  12.24) 02/26/2018   04:31:39  (  79.90,  12.32)    1.66                17
 02/28/2018   19:58:30   ( -79.75, -40.64) 02/28/2018   19:57:52  ( -79.76, -40.56)    1.79                38
 02/28/2018   20:47:51   (  79.92, 128.33) 02/28/2018   20:48:31  (  79.93, 128.36)    0.79                40
 03/03/2018   12:14:58   ( -79.81,  75.70) 03/03/2018   12:14:43  ( -79.82,  75.78)    1.47                15
 03/03/2018   13:04:19   (  79.98,-115.33) 03/03/2018   13:05:22  (  79.98,-115.31)    0.40                63
 03/06/2018   03:42:03   (  79.67,  22.87) 03/06/2018   03:40:54  (  79.67,  22.94)    1.48                69
 03/06/2018   04:31:25   ( -79.87,-167.98) 03/06/2018   04:31:33  ( -79.87,-167.90)    1.71                 8
 03/08/2018   19:58:30   (  79.76, 139.41) 03/08/2018   19:57:44  (  79.76, 139.51)    2.05                46
 03/08/2018   20:47:52   ( -79.95, -51.40) 03/08/2018   20:48:23  ( -79.96, -51.28)    2.51                31
 03/11/2018   12:14:57   (  79.84,-104.06) 03/11/2018   12:14:34  (  79.85,-103.91)    3.12                23