Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 11 23.  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)
 11/25/2015   01:13:20   ( -78.88,-125.43) 11/25/2015   01:12:10  ( -78.87,-125.47)    0.77                70
 11/25/2015   02:02:37   (  79.23,  44.36) 11/25/2015   02:02:44  (  79.23,  44.36)    0.20                 7
 11/27/2015   17:29:48   ( -78.93,  -9.27) 11/27/2015   17:29:03  ( -78.92,  -9.40)    2.82                45
 11/27/2015   18:19:04   (  79.32, 160.78) 11/27/2015   18:19:36  (  79.31, 160.70)    1.67                32
 11/30/2015   09:46:13   ( -79.08, 107.50) 11/30/2015   09:45:53  ( -79.07, 107.39)    2.55                20
 11/30/2015   10:35:30   (  79.42, -82.66) 11/30/2015   10:36:27  (  79.42, -82.71)    1.13                57
 12/03/2015   01:13:15   (  78.99,  55.24) 12/03/2015   01:12:02  (  79.00,  55.38)    3.12                73
 12/03/2015   02:02:36   ( -79.24,-135.57) 12/03/2015   02:02:41  ( -79.25,-135.57)    0.21                 5
 12/05/2015   17:29:40   (  79.10, 171.79) 12/05/2015   17:28:53  (  79.11, 171.88)    1.87                47