Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 2 12.  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)
 02/13/2016   02:52:29   ( -79.45,-146.57) 02/13/2016   02:52:19  ( -79.45,-146.49)    1.76                10
 02/13/2016   03:41:49   (  79.67,  22.64) 02/13/2016   03:42:57  (  79.67,  22.62)    0.47                68
 02/15/2016   18:19:36   (  79.26, 160.44) 02/15/2016   18:18:31  (  79.27, 160.55)    2.58                65
 02/15/2016   19:08:58   ( -79.46, -30.58) 02/15/2016   19:09:11  ( -79.45, -30.72)    3.04                13
 02/18/2016   10:36:04   (  79.30, -83.45) 02/18/2016   10:35:22  (  79.30, -83.46)    0.27                42
 02/18/2016   11:25:23   ( -79.61,  86.35) 02/18/2016   11:25:58  ( -79.61,  86.39)    0.84                35
 02/21/2016   02:52:29   (  79.39,  33.06) 02/21/2016   02:52:10  (  79.39,  33.03)    0.64                19
 02/21/2016   03:41:49   ( -79.66,-157.37) 02/21/2016   03:42:47  ( -79.67,-157.34)    0.69                58
 02/23/2016   18:19:37   ( -79.17, -20.12) 02/23/2016   18:18:24  ( -79.16, -20.21)    2.10                73
 02/23/2016   19:08:53   (  79.54, 149.98) 02/23/2016   19:08:57  (  79.54, 150.04)    1.21                 4
 02/26/2016   10:36:00   ( -79.35,  96.91) 02/26/2016   10:35:10  ( -79.35,  97.01)    2.14                50