Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 2 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)
 03/03/2018   12:14:59   ( -79.75,  75.17) 03/03/2018   12:14:44  ( -79.76,  75.27)    2.17                15
 03/03/2018   13:04:19   (  79.96,-115.58) 03/03/2018   13:05:22  (  79.96,-115.52)    1.29                63
 03/06/2018   03:42:04   (  79.65,  22.61) 03/06/2018   03:40:55  (  79.65,  22.75)    2.94                69
 03/06/2018   04:31:26   ( -79.84,-168.26) 03/06/2018   04:31:34  ( -79.85,-168.11)    2.92                 8
 03/08/2018   19:58:34   (  79.62, 138.31) 03/08/2018   19:57:49  (  79.61, 138.19)    2.49                45
 03/08/2018   20:47:56   ( -79.82, -52.55) 03/08/2018   20:48:28  ( -79.82, -52.66)    2.26                32
 03/11/2018   12:15:01   (  79.70,-105.20) 03/11/2018   12:14:39  (  79.70,-105.25)    1.08                22
 03/11/2018   13:04:23   ( -79.90,  63.97) 03/11/2018   13:05:18  ( -79.90,  63.94)    0.61                55
 03/14/2018   03:43:59   ( -74.49,-178.55) 03/14/2018   03:42:46  ( -74.77, 179.64)   61.67                73