Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 3 24.  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)
 03/26/2016   19:08:57   (  79.41, 149.01) 03/26/2016   19:08:33  (  79.42, 149.14)    2.78                24
 03/26/2016   19:58:19   ( -79.61, -41.98) 03/26/2016   19:59:13  ( -79.61, -41.98)    0.12                54
 03/29/2016   11:25:26   (  79.40, -95.15) 03/29/2016   11:25:25  (  79.40, -95.21)    1.27                 1
 03/29/2016   12:13:09   ( -81.82, 109.33) 03/29/2016   12:14:22  ( -81.33, 109.72)   55.17                73
 04/01/2016   02:52:33   ( -79.28,-147.71) 04/01/2016   02:51:37  ( -79.28,-147.65)    1.26                56
 04/01/2016   03:41:51   (  79.58,  21.94) 04/01/2016   03:42:12  (  79.58,  22.06)    2.63                21
 04/03/2016   19:09:01   ( -79.34, -31.48) 04/03/2016   19:08:28  ( -79.34, -31.48)    0.13                33
 04/03/2016   19:58:19   (  79.63, 138.17) 04/03/2016   19:59:03  (  79.63, 138.25)    1.68                44
 04/06/2016   11:25:28   ( -79.42,  84.93) 04/06/2016   11:25:18  ( -79.42,  84.95)    0.53                10