Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 5 27.  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)
 05/29/2016   18:19:11   ( -79.08, -20.80) 05/29/2016   18:18:12  ( -79.08, -20.80)    0.14                59
 05/29/2016   19:08:30   (  79.35, 148.56) 05/29/2016   19:08:49  (  79.34, 148.47)    2.01                19
 06/01/2016   10:35:36   ( -79.24,  96.12) 06/01/2016   10:35:02  ( -79.25,  96.25)    2.93                34
 06/01/2016   11:24:55   (  79.51, -94.49) 06/01/2016   11:25:39  (  79.51, -94.43)    1.24                44
 06/04/2016   02:52:04   ( -79.29,-147.75) 06/04/2016   02:51:56  ( -79.29,-147.72)    0.69                 8
 06/04/2016   03:41:23   (  79.55,  21.64) 06/04/2016   03:42:33  (  79.54,  21.60)    1.03                70
 06/06/2016   18:19:11   (  79.07, 159.12) 06/06/2016   18:18:12  (  79.06, 159.07)    1.27                59
 06/06/2016   19:08:31   ( -79.36, -31.41) 06/06/2016   19:08:49  ( -79.36, -31.44)    0.63                18
 06/09/2016   10:35:37   (  79.13, -84.61) 06/09/2016   10:35:04  (  79.13, -84.69)    1.70                33