Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 1 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)
 01/04/2016   02:02:34   ( -79.33,-134.95) 01/04/2016   02:02:18  ( -79.34,-134.83)    2.72                16
 01/04/2016   02:51:54   (  79.55,  34.22) 01/04/2016   02:52:56  (  79.56,  34.25)    0.80                62
 01/06/2016   17:29:41   (  79.05, 171.55) 01/06/2016   17:28:34  (  79.05, 171.51)    1.07                67
 01/06/2016   18:19:00   ( -79.37, -18.76) 01/06/2016   18:19:10  ( -79.37, -18.79)    0.66                10
 01/09/2016   09:46:06   (  79.12, -72.13) 01/09/2016   09:45:25  (  79.12, -72.23)    2.32                41
 01/09/2016   10:35:25   ( -79.44,  97.60) 01/09/2016   10:36:01  ( -79.44,  97.50)    2.09                36
 01/12/2016   02:02:28   (  79.25,  44.60) 01/12/2016   02:02:13  (  79.25,  44.52)    1.68                15
 01/12/2016   02:51:48   ( -79.53,-145.88) 01/12/2016   02:52:50  ( -79.53,-145.95)    1.57                62
 01/14/2016   17:29:31   ( -79.15,  -7.80) 01/14/2016   17:28:24  ( -79.16,  -7.71)    1.99                67