Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 13.  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)
 01/14/2016   18:19:08   (  79.34, 160.98) 01/14/2016   18:19:03  (  79.34, 160.98)    0.16                 5
 01/14/2016   19:08:28   ( -79.61, -29.50) 01/14/2016   19:09:40  ( -79.61, -29.52)    0.23                72
 01/17/2016   09:46:21   ( -79.03, 107.31) 01/17/2016   09:45:20  ( -79.03, 107.17)    3.02                61
 01/17/2016   10:35:36   (  79.46, -82.33) 01/17/2016   10:35:52  (  79.46, -82.25)    1.78                16
 01/20/2016   02:02:47   ( -79.23,-135.62) 01/20/2016   02:02:07  ( -79.23,-135.62)    0.06                40
 01/20/2016   02:52:06   (  79.49,  33.76) 01/20/2016   02:52:44  (  79.49,  33.70)    1.31                38
 01/22/2016   18:19:16   ( -79.29, -19.35) 01/22/2016   18:18:58  ( -79.29, -19.42)    1.57                18
 01/22/2016   19:08:35   (  79.55, 150.04) 01/22/2016   19:09:35  (  79.54, 149.91)    2.85                60
 01/25/2016   09:46:23   (  79.09, -72.38) 01/25/2016   09:45:10  (  79.08, -72.43)    1.09                73