Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 28.  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   18:19:27   (  79.29, 160.63) 01/30/2016   18:18:49  (  79.29, 160.67)    1.02                38
 01/30/2016   19:08:47   ( -79.56, -29.86) 01/30/2016   19:09:26  ( -79.57, -29.83)    0.65                39
 02/02/2016   10:35:57   (  79.31, -83.35) 02/02/2016   10:35:40  (  79.30, -83.47)    2.81                17
 02/02/2016   11:25:18   ( -79.55,  85.93) 02/02/2016   11:26:18  ( -79.55,  85.78)    3.09                60
 02/05/2016   02:03:30   ( -78.19,-141.42) 02/05/2016   02:02:16  ( -78.26,-141.75)   10.87                74
 02/05/2016   02:52:25   (  79.44,  33.40) 02/05/2016   02:52:28  (  79.45,  33.43)    0.80                 3
 02/07/2016   18:19:35   ( -79.27, -19.54) 02/07/2016   18:18:41  ( -79.27, -19.49)    0.94                54
 02/07/2016   19:08:55   (  79.49, 149.57) 02/07/2016   19:09:19  (  79.49, 149.52)    1.02                24
 02/10/2016   10:36:04   ( -79.34,  96.83) 02/10/2016   10:35:31  ( -79.34,  96.85)    0.35                33