Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 2 10.  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   ( -79.44,-146.60) 02/13/2016   02:52:19  ( -79.45,-146.52)    1.81                10
 02/13/2016   03:41:49   (  79.66,  22.60) 02/13/2016   03:42:57  (  79.66,  22.58)    0.37                68
 02/15/2016   18:19:35   (  79.29, 160.65) 02/15/2016   18:18:30  (  79.30, 160.79)    3.00                65
 02/15/2016   19:08:58   ( -79.46, -30.61) 02/15/2016   19:09:11  ( -79.45, -30.73)    2.66                13
 02/18/2016   10:36:03   (  79.33, -83.24) 02/18/2016   10:35:21  (  79.33, -83.21)    0.81                42
 02/18/2016   11:25:23   ( -79.61,  86.31) 02/18/2016   11:25:58  ( -79.61,  86.39)    1.78                35
 02/21/2016   02:52:28   (  79.42,  33.26) 02/21/2016   02:52:09  (  79.42,  33.31)    1.15                19
 02/21/2016   03:41:48   ( -79.70,-157.14) 02/21/2016   03:42:46  ( -79.70,-157.03)    2.41                58
 02/23/2016   18:19:35   ( -79.24, -19.68) 02/23/2016   18:18:22  ( -79.24, -19.65)    0.68                73