Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 2 7.  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)
 02/07/2016   18:19:36   ( -79.19, -20.00) 02/07/2016   18:18:43  ( -79.19, -20.05)    0.97                53
 02/07/2016   19:08:55   (  79.46, 149.40) 02/07/2016   19:09:20  (  79.45, 149.26)    2.90                25
 02/10/2016   10:36:03   ( -79.33,  96.78) 02/10/2016   10:35:31  ( -79.34,  96.81)    0.82                32
 02/10/2016   11:25:22   (  79.59, -93.80) 02/10/2016   11:26:08  (  79.59, -93.85)    1.20                46
 02/13/2016   02:52:31   ( -79.38,-147.02) 02/13/2016   02:52:21  ( -79.37,-147.12)    2.27                10
 02/13/2016   03:41:48   (  79.71,  22.95) 02/13/2016   03:42:55  (  79.72,  23.05)    2.03                67
 02/15/2016   18:19:37   (  79.25, 160.35) 02/15/2016   18:18:31  (  79.25, 160.44)    1.97                66
 02/15/2016   19:08:56   ( -79.57, -29.85) 02/15/2016   19:09:07  ( -79.57, -29.72)    2.52                11
 02/18/2016   10:36:04   (  79.35, -83.11) 02/18/2016   10:35:20  (  79.35, -83.04)    1.62                44
 02/18/2016   11:25:24   ( -79.63,  86.47) 02/18/2016   11:25:57  ( -79.64,  86.59)    2.46                33
 02/21/2016   02:52:30   (  79.48,  33.62) 02/21/2016   02:52:08  (  79.48,  33.76)    2.76                22