Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 2 14.  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)
 02/15/2016   18:19:35   (  79.28, 160.55) 02/15/2016   18:18:30  (  79.29, 160.68)    2.99                65
 02/15/2016   19:08:58   ( -79.44, -30.74) 02/15/2016   19:09:11  ( -79.43, -30.86)    2.57                13
 02/18/2016   10:36:02   (  79.35, -83.11) 02/18/2016   10:35:20  (  79.35, -83.06)    1.06                42
 02/18/2016   11:25:22   ( -79.62,  86.43) 02/18/2016   11:25:57  ( -79.63,  86.53)    2.11                35
 02/21/2016   02:52:28   (  79.44,  33.38) 02/21/2016   02:52:09  (  79.44,  33.46)    1.77                19
 02/21/2016   03:41:48   ( -79.71,-157.04) 02/21/2016   03:42:46  ( -79.72,-156.89)    3.11                58
 02/23/2016   18:19:35   ( -79.25, -19.61) 02/23/2016   18:18:22  ( -79.26, -19.53)    1.80                73
 02/23/2016   19:08:55   (  79.47, 149.48) 02/23/2016   19:09:00  (  79.47, 149.42)    1.25                 5
 02/26/2016   10:35:59   ( -79.34,  96.88) 02/26/2016   10:35:10  ( -79.35,  96.95)    1.61                49