Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 22.  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   ( -78.81,-125.90) 10/24/2015   01:12:26  ( -78.81,-125.87)    0.54                63
 10/24/2015   02:02:44   (  79.25,  44.36) 10/24/2015   02:02:58  (  79.25,  44.49)    2.66                14
 10/26/2015   17:29:53   ( -78.97,  -9.10) 10/26/2015   17:29:15  ( -78.97,  -9.06)    0.82                38
 10/26/2015   18:19:09   (  79.35, 160.96) 10/26/2015   18:19:48  (  79.36, 161.09)    2.92                39
 10/29/2015   09:46:19   ( -79.02, 107.09) 10/29/2015   09:46:07  ( -79.01, 107.00)    2.02                12
 10/29/2015   10:35:35   (  79.40, -82.85) 10/29/2015   10:36:40  (  79.40, -82.85)    0.16                65
 11/01/2015   01:13:22   (  78.87,  54.45) 11/01/2015   01:12:18  (  78.87,  54.52)    1.66                64
 11/01/2015   02:02:42   ( -79.16,-136.15) 11/01/2015   02:02:56  ( -79.16,-136.22)    1.72                14
 11/03/2015   17:29:45   (  78.95, 170.80) 11/03/2015   17:29:08  (  78.94, 170.74)    1.40                37