Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 11 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)
 11/11/2015   17:29:36   ( -79.08,  -8.37) 11/11/2015   17:29:03  ( -79.08,  -8.27)    2.22                33
 11/11/2015   18:18:53   (  79.43, 161.52) 11/11/2015   18:19:37  (  79.43, 161.66)    3.01                44
 11/14/2015   09:46:06   ( -79.15, 107.97) 11/14/2015   09:45:56  ( -79.15, 107.97)    0.21                10
 11/14/2015   10:35:24   (  79.46, -82.40) 11/14/2015   10:36:31  (  79.46, -82.36)    0.80                67
 11/17/2015   01:13:17   (  78.83,  54.28) 11/17/2015   01:12:13  (  78.82,  54.17)    2.55                64
 11/17/2015   02:02:33   ( -79.28,-135.34) 11/17/2015   02:02:46  ( -79.28,-135.29)    1.08                13
 11/19/2015   17:29:42   (  79.06, 171.51) 11/19/2015   17:29:01  (  79.07, 171.59)    1.87                41
 11/19/2015   18:19:02   ( -79.35, -19.03) 11/19/2015   18:19:39  ( -79.34, -19.06)    0.76                37
 11/22/2015   09:46:12   (  79.06, -72.59) 11/22/2015   09:45:56  (  79.06, -72.72)    2.87                16
 11/22/2015   10:35:29   ( -79.47,  97.66) 11/22/2015   10:36:30  ( -79.47,  97.70)    0.90                61
 11/25/2015   01:13:19   ( -78.94,-125.09) 11/25/2015   01:12:10  ( -78.94,-125.04)    1.11                69