Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 10 14.  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)
 10/16/2015   01:13:27   (  78.87,  54.46) 10/16/2015   01:12:29  (  78.88,  54.56)    2.37                58
 10/16/2015   02:02:48   ( -79.12,-136.42) 10/16/2015   02:03:08  ( -79.11,-136.52)    2.26                20
 10/18/2015   17:29:56   (  78.90, 170.52) 10/18/2015   17:29:22  (  78.90, 170.47)    1.07                34
 10/18/2015   18:19:13   ( -79.31, -19.34) 10/18/2015   18:19:56  ( -79.31, -19.30)    0.90                43
 10/21/2015   09:46:24   (  78.96, -73.26) 10/21/2015   09:46:14  (  78.96, -73.38)    2.87                10
 10/21/2015   10:35:41   ( -79.37,  96.92) 10/21/2015   10:36:48  ( -79.37,  96.89)    0.69                67
 10/24/2015   01:13:30   ( -78.82,-125.86) 10/24/2015   01:12:26  ( -78.82,-125.80)    1.23                64
 10/24/2015   02:02:49   (  79.09,  43.38) 10/24/2015   02:03:03  (  79.08,  43.25)    3.01                14
 10/26/2015   17:29:54   ( -79.02,  -8.83) 10/26/2015   17:29:14  ( -79.02,  -8.70)    2.80                40