Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 2 11.  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   02:52:28   ( -79.47,-146.41) 02/13/2016   02:52:18  ( -79.47,-146.33)    1.62                10
 02/13/2016   03:41:49   (  79.65,  22.54) 02/13/2016   03:42:57  (  79.65,  22.51)    0.63                68
 02/15/2016   18:19:35   (  79.29, 160.60) 02/15/2016   18:18:30  (  79.29, 160.71)    2.34                65
 02/15/2016   19:08:55   ( -79.56, -29.88) 02/15/2016   19:09:07  ( -79.57, -29.74)    3.05                12
 02/18/2016   10:36:03   (  79.32, -83.28) 02/18/2016   10:35:21  (  79.32, -83.30)    0.55                42
 02/18/2016   11:25:23   ( -79.60,  86.26) 02/18/2016   11:25:58  ( -79.60,  86.29)    0.48                35
 02/21/2016   02:52:30   (  79.38,  32.97) 02/21/2016   02:52:11  (  79.38,  32.92)    1.04                19
 02/21/2016   03:41:50   ( -79.65,-157.45) 02/21/2016   03:42:48  ( -79.66,-157.44)    0.36                58
 02/23/2016   18:19:37   ( -79.16, -20.19) 02/23/2016   18:18:24  ( -79.15, -20.30)    2.54                73