Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 8.  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)
 01/09/2016   09:46:09   (  79.19, -71.69) 01/09/2016   09:45:22  (  79.20, -71.64)    1.19                47
 01/09/2016   10:35:29   ( -79.47,  97.78) 01/09/2016   10:35:59  ( -79.48,  97.83)    0.98                30
 01/12/2016   02:02:40   (  79.23,  44.40) 01/12/2016   02:02:14  (  79.23,  44.37)    0.51                26
 01/12/2016   02:52:00   ( -79.51,-146.10) 01/12/2016   02:52:51  ( -79.51,-146.14)    0.83                51
 01/14/2016   18:19:09   (  79.33, 160.93) 01/14/2016   18:19:04  (  79.33, 160.90)    0.68                 5
 01/14/2016   19:08:29   ( -79.61, -29.53) 01/14/2016   19:09:41  ( -79.60, -29.58)    1.10                72
 01/17/2016   09:46:19   ( -79.16, 108.05) 01/17/2016   09:45:17  ( -79.17, 108.14)    1.99                62
 01/17/2016   10:35:37   (  79.46, -82.34) 01/17/2016   10:35:53  (  79.46, -82.31)    0.58                16
 01/20/2016   02:02:49   ( -79.16,-136.04) 01/20/2016   02:02:09  ( -79.16,-136.12)    1.80                40