Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 11 12.  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)
 11/14/2015   09:46:06   ( -79.13, 107.83) 11/14/2015   09:45:56  ( -79.12, 107.80)    0.87                10
 11/14/2015   10:35:24   (  79.44, -82.53) 11/14/2015   10:36:31  (  79.44, -82.52)    0.21                67
 11/17/2015   01:13:14   (  78.96,  55.07) 11/17/2015   01:12:09  (  78.97,  55.20)    2.89                65
 11/17/2015   02:02:34   ( -79.25,-135.51) 11/17/2015   02:02:47  ( -79.25,-135.50)    0.19                13
 11/19/2015   17:29:43   (  79.02, 171.30) 11/19/2015   17:29:02  (  79.03, 171.34)    0.99                41
 11/19/2015   18:19:03   ( -79.31, -19.25) 11/19/2015   18:19:40  ( -79.31, -19.33)    1.79                37
 11/22/2015   09:46:07   (  79.22, -71.65) 11/22/2015   09:45:50  (  79.22, -71.52)    2.66                17
 11/22/2015   10:35:29   ( -79.42,  97.35) 11/22/2015   10:36:30  ( -79.43,  97.35)    0.25                61
 11/25/2015   01:13:18   ( -78.91,-125.23) 11/25/2015   01:12:09  ( -78.92,-125.21)    0.50                69