Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 7.  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)
 07/08/2016   18:19:02   (  79.05, 159.05) 07/08/2016   18:18:03  (  79.05, 159.04)    0.22                59
 07/08/2016   19:08:20   ( -79.41, -31.01) 07/08/2016   19:08:38  ( -79.42, -30.89)    2.40                18
 07/11/2016   10:35:29   (  79.11, -84.74) 07/11/2016   10:34:56  (  79.10, -84.86)    2.60                33
 07/11/2016   11:24:47   ( -79.47,  85.24) 07/11/2016   11:25:31  ( -79.47,  85.25)    0.24                44
 07/14/2016   02:51:52   (  79.31,  32.44) 07/14/2016   02:51:44  (  79.32,  32.53)    2.01                 8
 07/14/2016   03:41:14   ( -79.52,-158.55) 07/14/2016   03:42:24  ( -79.51,-158.62)    1.57                70
 07/16/2016   18:19:01   ( -79.02, -21.17) 07/16/2016   18:18:02  ( -79.01, -21.24)    1.51                59
 07/16/2016   19:08:17   (  79.39, 148.85) 07/16/2016   19:08:35  (  79.39, 148.90)    0.92                18
 07/19/2016   10:35:26   ( -79.14,  95.45) 07/19/2016   10:34:53  ( -79.13,  95.36)    2.04                33