Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 19.  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)
 01/20/2016   02:02:47   ( -79.26,-135.44) 01/20/2016   02:02:06  ( -79.26,-135.35)    1.91                41
 01/20/2016   02:52:06   (  79.52,  34.00) 01/20/2016   02:52:43  (  79.52,  34.01)    0.18                37
 01/22/2016   18:19:19   ( -79.29, -19.37) 01/22/2016   18:18:58  ( -79.29, -19.41)    0.88                21
 01/22/2016   19:08:37   (  79.55, 150.06) 01/22/2016   19:09:34  (  79.54, 149.95)    2.47                57
 01/25/2016   10:35:49   ( -79.34,  96.87) 01/25/2016   10:35:48  ( -79.34,  96.78)    1.84                 1
 01/25/2016   11:23:07   (  81.78, -48.64) 01/25/2016   11:24:20  (  81.20, -49.05)   65.09                73
 01/28/2016   02:02:58   (  79.18,  44.03) 01/28/2016   02:02:00  (  79.18,  44.02)    0.37                58
 01/28/2016   02:52:18   ( -79.46,-146.46) 01/28/2016   02:52:37  ( -79.46,-146.50)    0.95                19
 01/30/2016   18:19:26   (  79.32, 160.84) 01/30/2016   18:18:48  (  79.33, 160.95)    2.26                38
 01/30/2016   19:08:46   ( -79.60, -29.59) 01/30/2016   19:09:25  ( -79.61, -29.50)    1.81                39
 02/02/2016   10:35:55   (  79.38, -82.93) 02/02/2016   10:35:38  (  79.38, -82.91)    0.36                17