Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 12 2.  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)
 12/02/2016   10:35:14   (  79.45, -82.36) 12/02/2016   10:34:33  (  79.45, -82.33)    0.61                41
 12/02/2016   11:24:36   ( -79.65,  86.65) 12/02/2016   11:25:13  ( -79.64,  86.55)    2.04                37
 12/05/2016   02:51:41   (  79.54,  34.15) 12/05/2016   02:51:25  (  79.55,  34.20)    1.03                16
 12/05/2016   03:41:03   ( -79.74,-156.81) 12/05/2016   03:42:05  ( -79.73,-156.88)    1.59                62
 12/07/2016   18:18:49   ( -79.37, -18.81) 12/07/2016   18:17:41  ( -79.37, -18.78)    0.72                68
 12/07/2016   19:08:07   (  79.66, 150.88) 12/07/2016   19:08:16  (  79.67, 151.00)    2.37                 9
 12/10/2016   10:35:14   ( -79.49,  97.86) 12/10/2016   10:34:31  ( -79.49,  97.98)    2.68                43
 12/10/2016   11:24:35   (  79.66, -93.23) 12/10/2016   11:25:10  (  79.66, -93.32)    1.85                35
 12/13/2016   02:51:42   ( -79.52,-146.04) 12/13/2016   02:51:25  ( -79.51,-146.07)    0.83                17
 12/13/2016   03:41:01   (  79.77,  23.42) 12/13/2016   03:42:01  (  79.77,  23.48)    1.23                60
 12/15/2016   18:18:48   (  79.34, 160.99) 12/15/2016   18:17:39  (  79.34, 160.97)    0.43                69