Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 4.  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)
 06/06/2016   18:19:11   (  79.04, 158.97) 06/06/2016   18:18:12  (  79.04, 158.91)    1.43                59
 06/06/2016   19:08:30   ( -79.36, -31.37) 06/06/2016   19:08:48  ( -79.36, -31.39)    0.60                18
 06/09/2016   10:35:37   (  79.14, -84.54) 06/09/2016   10:35:04  (  79.13, -84.62)    1.77                33
 06/09/2016   11:24:56   ( -79.46,  85.17) 06/09/2016   11:25:40  ( -79.46,  85.13)    0.89                44
 06/12/2016   02:52:02   (  79.27,  32.15) 06/12/2016   02:51:55  (  79.27,  32.10)    1.14                 7
 06/12/2016   03:41:22   ( -79.55,-158.33) 06/12/2016   03:42:32  ( -79.55,-158.34)    0.14                70
 06/14/2016   18:19:07   ( -79.13, -20.50) 06/14/2016   18:18:08  ( -79.14, -20.38)    2.60                59
 06/14/2016   19:08:26   (  79.39, 148.82) 06/14/2016   19:08:45  (  79.39, 148.84)    0.51                19
 06/17/2016   10:35:34   ( -79.17,  95.62) 06/17/2016   10:35:02  ( -79.16,  95.57)    1.11                32