Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 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)
 10/13/2015   09:46:18   ( -79.11, 107.66) 10/13/2015   09:46:14  ( -79.12, 107.77)    2.60                 4
 10/13/2015   10:35:27   (  79.76, -80.29) 10/13/2015   10:36:41  (  79.71, -80.25)    5.71                74
 10/16/2015   01:13:27   (  78.87,  54.46) 10/16/2015   01:12:29  (  78.88,  54.55)    2.01                58
 10/16/2015   02:02:49   ( -79.08,-136.66) 10/16/2015   02:03:09  ( -79.08,-136.78)    2.64                20
 10/18/2015   17:29:57   (  78.87, 170.31) 10/18/2015   17:29:23  (  78.86, 170.21)    2.19                34
 10/18/2015   18:19:14   ( -79.28, -19.57) 10/18/2015   18:19:57  ( -79.28, -19.58)    0.33                43
 10/21/2015   09:46:21   (  79.09, -72.48) 10/21/2015   09:46:10  (  79.10, -72.42)    1.23                11
 10/21/2015   10:35:43   ( -79.30,  96.48) 10/21/2015   10:36:50  ( -79.30,  96.34)    2.90                67
 10/24/2015   01:13:33   ( -78.71,-126.45) 10/24/2015   01:12:29  ( -78.71,-126.55)    2.34                64
 10/24/2015   02:02:48   (  79.15,  43.72) 10/24/2015   02:03:01  (  79.15,  43.70)    0.36                13
 10/26/2015   17:29:59   ( -78.84,  -9.86) 10/26/2015   17:29:19  ( -78.83,  -9.97)    2.51                40