Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 21.  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)
 10/24/2015   01:13:29   ( -78.82,-125.84) 10/24/2015   01:12:26  ( -78.82,-125.81)    0.81                63
 10/24/2015   02:02:44   (  79.25,  44.42) 10/24/2015   02:02:58  (  79.26,  44.55)    2.78                14
 10/26/2015   17:29:53   ( -78.98,  -9.05) 10/26/2015   17:29:15  ( -78.98,  -8.99)    1.39                38
 10/26/2015   18:19:13   (  79.21, 160.00) 10/26/2015   18:19:53  (  79.20, 159.87)    2.97                40
 10/29/2015   09:46:19   ( -79.03, 107.14) 10/29/2015   09:46:07  ( -79.03, 107.09)    1.01                12
 10/29/2015   10:35:35   (  79.41, -82.79) 10/29/2015   10:36:40  (  79.41, -82.75)    0.96                65
 11/01/2015   01:13:24   (  78.75,  53.81) 11/01/2015   01:12:21  (  78.74,  53.68)    3.08                63
 11/01/2015   02:02:40   ( -79.21,-135.85) 11/01/2015   02:02:54  ( -79.21,-135.84)    0.21                14
 11/03/2015   17:29:44   (  78.99, 171.09) 11/03/2015   17:29:07  (  79.00, 171.13)    0.93                37