Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 5.  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)
 01/06/2016   17:29:42   (  79.03, 171.42) 01/06/2016   17:28:35  (  79.02, 171.34)    1.76                67
 01/06/2016   18:19:01   ( -79.35, -18.92) 01/06/2016   18:19:11  ( -79.35, -18.98)    1.30                10
 01/09/2016   09:46:03   (  79.23, -71.47) 01/09/2016   09:45:21  (  79.23, -71.38)    1.92                42
 01/09/2016   10:35:22   ( -79.54,  98.27) 01/09/2016   10:35:57  ( -79.54,  98.38)    2.22                35
 01/12/2016   02:02:28   (  79.29,  44.85) 01/12/2016   02:02:12  (  79.30,  44.87)    0.57                16
 01/12/2016   02:51:47   ( -79.61,-145.37) 01/12/2016   02:52:48  ( -79.61,-145.33)    0.70                61
 01/14/2016   17:29:33   ( -79.13,  -7.96) 01/14/2016   17:28:25  ( -79.13,  -7.89)    1.50                68
 01/14/2016   18:18:51   (  79.42, 161.62) 01/14/2016   18:19:01  (  79.42, 161.64)    0.37                10
 01/17/2016   09:45:56   ( -79.25, 108.73) 01/17/2016   09:45:14  ( -79.26, 108.83)    2.33                42