Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 29.  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)
 01/30/2016   18:19:26   (  79.30, 160.69) 01/30/2016   18:18:48  (  79.30, 160.75)    1.36                38
 01/30/2016   19:08:46   ( -79.57, -29.80) 01/30/2016   19:09:25  ( -79.58, -29.75)    1.02                39
 02/02/2016   10:35:57   (  79.32, -83.30) 02/02/2016   10:35:40  (  79.31, -83.38)    1.86                17
 02/02/2016   11:25:17   ( -79.60,  86.23) 02/02/2016   11:26:17  ( -79.59,  86.13)    2.10                60
 02/05/2016   02:03:19   ( -78.66,-139.01) 02/05/2016   02:02:05  ( -78.70,-139.18)    5.61                74
 02/05/2016   02:52:24   (  79.48,  33.68) 02/05/2016   02:52:27  (  79.49,  33.80)    2.59                 3
 02/07/2016   18:19:37   ( -79.19, -20.04) 02/07/2016   18:18:44  ( -79.18, -20.15)    2.47                53
 02/07/2016   19:08:53   (  79.56, 150.10) 02/07/2016   19:09:17  (  79.57, 150.19)    1.98                24
 02/10/2016   10:36:04   ( -79.30,  96.54) 02/10/2016   10:35:32  ( -79.29,  96.47)    1.70                32