Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 1.  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)
 09/02/2016   18:18:50   ( -78.96, -21.49) 09/02/2016   18:17:38  ( -78.95, -21.58)    2.26                72
 09/02/2016   19:08:06   (  79.35, 148.58) 09/02/2016   19:08:11  (  79.35, 148.64)    1.31                 5
 09/05/2016   10:35:16   ( -79.10,  95.24) 09/05/2016   10:34:27  ( -79.10,  95.28)    0.89                49
 09/05/2016   11:24:35   (  79.37, -95.42) 09/05/2016   11:25:04  (  79.36, -95.49)    1.66                29
 09/08/2016   02:51:43   ( -79.15,-148.53) 09/08/2016   02:51:18  ( -79.15,-148.61)    1.62                25
 09/08/2016   03:41:00   (  79.49,  21.33) 09/08/2016   03:41:52  (  79.50,  21.44)    2.49                52
 09/10/2016   19:08:08   ( -79.32, -31.60) 09/10/2016   19:08:06  ( -79.33, -31.47)    2.93                 2
 09/10/2016   19:55:46   (  81.83, 174.17) 09/10/2016   19:56:59  (  81.31, 174.38)   57.44                73
 09/13/2016   10:35:15   (  79.11, -84.68) 09/13/2016   10:34:20  (  79.11, -84.62)    1.32                55