Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 11.  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)
 10/13/2015   09:46:18   ( -79.13, 107.73) 10/13/2015   09:46:14  ( -79.13, 107.84)    2.42                 4
 10/13/2015   10:35:29   (  79.70, -80.76) 10/13/2015   10:36:43  (  79.66, -80.74)    4.88                74
 10/16/2015   01:13:28   (  78.85,  54.31) 10/16/2015   01:12:30  (  78.85,  54.38)    1.54                58
 10/16/2015   02:02:49   ( -79.10,-136.56) 10/16/2015   02:03:09  ( -79.09,-136.70)    3.15                20
 10/18/2015   17:29:58   (  78.85, 170.18) 10/18/2015   17:29:24  (  78.84, 170.05)    3.12                34
 10/18/2015   18:19:15   ( -79.26, -19.69) 10/18/2015   18:19:58  ( -79.25, -19.75)    1.26                43
 10/21/2015   09:46:22   (  79.04, -72.82) 10/21/2015   09:46:11  (  79.04, -72.83)    0.31                11
 10/21/2015   10:35:40   ( -79.41,  97.15) 10/21/2015   10:36:46  ( -79.41,  97.23)    1.85                66
 10/24/2015   01:13:31   ( -78.83,-125.81) 10/24/2015   01:12:26  ( -78.84,-125.74)    1.65                65