Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 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)
 07/11/2016   10:35:29   (  79.11, -84.71) 07/11/2016   10:34:56  (  79.10, -84.83)    2.50                33
 07/11/2016   11:24:47   ( -79.47,  85.25) 07/11/2016   11:25:31  ( -79.47,  85.26)    0.36                44
 07/14/2016   02:51:52   (  79.31,  32.43) 07/14/2016   02:51:44  (  79.32,  32.54)    2.52                 8
 07/14/2016   03:41:14   ( -79.51,-158.57) 07/14/2016   03:42:24  ( -79.51,-158.62)    0.95                70
 07/16/2016   18:19:00   ( -79.04, -21.01) 07/16/2016   18:18:01  ( -79.04, -21.02)    0.34                59
 07/16/2016   19:08:17   (  79.38, 148.79) 07/16/2016   19:08:35  (  79.39, 148.88)    2.05                18
 07/19/2016   10:35:25   ( -79.15,  95.55) 07/19/2016   10:34:52  ( -79.15,  95.54)    0.21                33
 07/19/2016   11:24:42   (  79.49, -94.63) 07/19/2016   11:25:26  (  79.49, -94.52)    2.42                44
 07/22/2016   02:51:49   ( -79.29,-147.68) 07/22/2016   02:51:42  ( -79.30,-147.63)    1.18                 7
 07/22/2016   03:41:09   (  79.51,  21.39) 07/22/2016   03:42:20  (  79.50,  21.27)    2.75                71
 07/24/2016   18:18:54   (  79.09, 159.28) 07/24/2016   18:17:56  (  79.09, 159.30)    0.39                58