Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 5 30.  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,  96.23) 06/01/2016   10:35:01  ( -79.27,  96.36)    2.91                34
 06/01/2016   11:24:55   (  79.49, -94.61) 06/01/2016   11:25:39  (  79.49, -94.56)    1.07                44
 06/04/2016   02:52:03   ( -79.30,-147.65) 06/04/2016   02:51:55  ( -79.30,-147.62)    0.64                 8
 06/04/2016   03:41:23   (  79.53,  21.51) 06/04/2016   03:42:33  (  79.52,  21.46)    1.13                70
 06/06/2016   18:19:11   (  79.04, 158.99) 06/06/2016   18:18:12  (  79.04, 158.93)    1.29                59
 06/06/2016   19:08:30   ( -79.37, -31.32) 06/06/2016   19:08:48  ( -79.37, -31.34)    0.61                18
 06/09/2016   10:35:37   (  79.15, -84.51) 06/09/2016   10:35:04  (  79.14, -84.59)    1.58                33
 06/09/2016   11:24:57   ( -79.43,  84.97) 06/09/2016   11:25:41  ( -79.43,  84.93)    0.83                44
 06/12/2016   02:52:01   (  79.28,  32.20) 06/12/2016   02:51:54  (  79.27,  32.16)    0.88                 7