Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 12 5.  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)
 12/05/2016   02:51:40   (  79.56,  34.29) 12/05/2016   02:51:24  (  79.57,  34.34)    1.10                16
 12/05/2016   03:41:02   ( -79.75,-156.68) 12/05/2016   03:42:04  ( -79.75,-156.75)    1.52                62
 12/07/2016   18:18:49   ( -79.35, -18.95) 12/07/2016   18:17:41  ( -79.35, -18.93)    0.41                68
 12/07/2016   19:08:07   (  79.64, 150.75) 12/07/2016   19:08:16  (  79.65, 150.85)    2.06                 9
 12/10/2016   10:35:15   ( -79.46,  97.71) 12/10/2016   10:34:32  ( -79.47,  97.78)    1.60                43
 12/10/2016   11:24:36   (  79.64, -93.38) 12/10/2016   11:25:11  (  79.64, -93.52)    2.94                35
 12/13/2016   02:51:43   ( -79.49,-146.20) 12/13/2016   02:51:26  ( -79.48,-146.34)    3.17                17
 12/13/2016   03:41:02   (  79.74,  23.26) 12/13/2016   03:42:02  (  79.74,  23.20)    1.13                60
 12/15/2016   18:18:46   (  79.39, 161.33) 12/15/2016   18:17:36  (  79.40, 161.42)    2.02                70
 12/15/2016   19:08:08   ( -79.59, -29.63) 12/15/2016   19:08:16  ( -79.59, -29.69)    1.17                 8
 12/18/2016   10:35:13   (  79.44, -82.43) 12/18/2016   10:34:29  (  79.43, -82.51)    1.84                44