Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 5 24.  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)
 05/27/2016   02:52:03   (  79.26,  32.13) 05/27/2016   02:51:57  (  79.26,  32.06)    1.55                 6
 05/27/2016   03:41:23   ( -79.54,-158.41) 05/27/2016   03:42:34  ( -79.54,-158.44)    0.63                71
 05/29/2016   18:19:09   ( -79.07, -20.85) 05/29/2016   18:18:13  ( -79.06, -20.91)    1.51                56
 05/29/2016   19:08:28   (  79.34, 148.49) 05/29/2016   19:08:50  (  79.33, 148.34)    3.19                22
 06/01/2016   10:35:33   ( -79.14,  95.46) 06/01/2016   10:35:05  ( -79.13,  95.35)    2.33                28
 06/01/2016   11:24:49   (  79.52, -94.42) 06/01/2016   11:25:38  (  79.52, -94.31)    2.48                49
 06/04/2016   02:05:44   (  69.57,  17.22) 06/04/2016   02:04:32  (  69.89,  14.99)   93.44                72
 06/04/2016   02:51:56   ( -79.28,-147.78) 06/04/2016   02:51:56  ( -79.27,-147.88)    2.18                 0
 06/06/2016   18:19:00   (  79.08, 159.22) 06/06/2016   18:18:11  (  79.07, 159.13)    2.06                49