Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 21.  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)
 08/23/2016   02:51:44   ( -79.23,-148.08) 08/23/2016   02:51:27  ( -79.23,-148.09)    0.15                17
 08/23/2016   03:41:01   (  79.57,  21.83) 08/23/2016   03:42:01  (  79.57,  21.98)    3.01                60
 08/25/2016   18:18:51   (  78.98, 158.66) 08/25/2016   18:17:42  (  78.98, 158.60)    1.24                69
 08/25/2016   19:08:10   ( -79.31, -31.67) 08/25/2016   19:08:18  ( -79.31, -31.65)    0.53                 8
 08/28/2016   10:35:15   (  79.10, -84.75) 08/28/2016   10:34:31  (  79.10, -84.75)    0.21                44
 08/28/2016   11:24:34   ( -79.43,  84.98) 08/28/2016   11:25:07  ( -79.43,  85.05)    1.65                33
 08/31/2016   02:51:39   (  79.25,  32.07) 08/31/2016   02:51:20  (  79.26,  32.16)    1.94                19
 08/31/2016   03:41:02   ( -79.42,-159.18) 08/31/2016   03:42:01  ( -79.41,-159.32)    3.04                59
 09/02/2016   18:18:47   ( -79.01, -21.14) 09/02/2016   18:17:36  ( -79.01, -21.12)    0.45                71