Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 9.  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)
 10/10/2015   17:29:51   ( -79.00,  -8.91) 10/10/2015   17:29:24  ( -79.01,  -8.79)    2.71                27
 10/10/2015   18:19:10   (  79.27, 160.43) 10/10/2015   18:20:01  (  79.27, 160.42)    0.35                51
 10/13/2015   09:46:18   ( -79.14, 107.80) 10/13/2015   09:46:14  ( -79.15, 107.93)    2.85                 4
 10/13/2015   10:35:25   (  79.85, -79.60) 10/13/2015   10:36:39  (  79.79, -79.53)    6.82                74
 10/16/2015   01:13:31   (  78.72,  53.62) 10/16/2015   01:12:34  (  78.71,  53.50)    2.94                57
 10/16/2015   02:02:47   ( -79.14,-136.30) 10/16/2015   02:03:07  ( -79.14,-136.36)    1.53                20
 10/18/2015   17:29:55   (  78.92, 170.60) 10/18/2015   17:29:21  (  78.92, 170.61)    0.50                34
 10/18/2015   18:19:12   ( -79.33, -19.23) 10/18/2015   18:19:55  ( -79.34, -19.13)    2.18                43
 10/21/2015   09:46:22   (  79.02, -72.95) 10/21/2015   09:46:12  (  79.02, -72.99)    0.72                10