Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 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)
 06/01/2016   10:35:35   ( -79.26,  96.21) 06/01/2016   10:35:01  ( -79.27,  96.35)    2.92                34
 06/01/2016   11:24:55   (  79.49, -94.62) 06/01/2016   11:25:39  (  79.49, -94.57)    1.07                44
 06/04/2016   02:52:03   ( -79.30,-147.66) 06/04/2016   02:51:55  ( -79.30,-147.63)    0.63                 8
 06/04/2016   03:41:23   (  79.53,  21.50) 06/04/2016   03:42:33  (  79.52,  21.45)    1.14                70
 06/06/2016   18:19:11   (  79.04, 158.99) 06/06/2016   18:18:12  (  79.04, 158.93)    1.33                59
 06/06/2016   19:08:30   ( -79.37, -31.32) 06/06/2016   19:08:48  ( -79.37, -31.35)    0.64                18
 06/09/2016   10:35:37   (  79.15, -84.51) 06/09/2016   10:35:04  (  79.14, -84.58)    1.66                33
 06/09/2016   11:24:57   ( -79.43,  84.97) 06/09/2016   11:25:41  ( -79.43,  84.93)    0.89                44
 06/12/2016   02:52:01   (  79.28,  32.21) 06/12/2016   02:51:54  (  79.27,  32.17)    1.02                 7
 06/12/2016   03:41:21   ( -79.56,-158.25) 06/12/2016   03:42:31  ( -79.56,-158.25)    0.28                70
 06/14/2016   18:19:07   ( -79.14, -20.40) 06/14/2016   18:18:08  ( -79.15, -20.28)    2.74                59