Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 25.  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)
 09/26/2016   18:18:46   (  79.04, 159.01) 09/26/2016   18:17:41  (  79.03, 159.02)    0.30                65
 09/26/2016   19:08:06   ( -79.32, -31.58) 09/26/2016   19:08:18  ( -79.32, -31.56)    0.63                12
 09/29/2016   10:35:14   (  79.08, -84.88) 09/29/2016   10:34:37  (  79.06, -85.00)    2.96                37
 09/29/2016   11:24:34   ( -79.36,  84.56) 09/29/2016   11:25:14  ( -79.35,  84.44)    2.58                40
 10/02/2016   02:51:39   (  79.26,  32.17) 10/02/2016   02:51:29  (  79.27,  32.24)    1.49                10
 10/02/2016   03:40:59   ( -79.54,-158.32) 10/02/2016   03:42:06  ( -79.55,-158.23)    1.91                67
 10/04/2016   18:18:47   ( -79.10, -20.64) 10/04/2016   18:17:47  ( -79.10, -20.55)    2.02                60
 10/04/2016   19:08:06   (  79.36, 148.68) 10/04/2016   19:08:24  (  79.36, 148.72)    0.80                18
 10/07/2016   10:35:14   ( -79.19,  95.80) 10/07/2016   10:34:42  ( -79.20,  95.91)    2.52                32