Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 28.  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)
 09/29/2016   10:35:11   (  79.21, -84.02) 09/29/2016   10:34:33  (  79.22, -83.88)    3.10                38
 09/29/2016   11:24:34   ( -79.37,  84.66) 09/29/2016   11:25:14  ( -79.36,  84.53)    2.80                40
 10/02/2016   02:51:40   (  79.24,  32.04) 10/02/2016   02:51:30  (  79.25,  32.08)    1.07                10
 10/02/2016   03:41:00   ( -79.52,-158.48) 10/02/2016   03:42:07  ( -79.52,-158.41)    1.55                67
 10/04/2016   18:18:47   ( -79.07, -20.79) 10/04/2016   18:17:47  ( -79.07, -20.73)    1.47                60
 10/04/2016   19:08:06   (  79.34, 148.54) 10/04/2016   19:08:24  (  79.34, 148.55)    0.21                18
 10/07/2016   10:35:13   ( -79.20,  95.89) 10/07/2016   10:34:41  ( -79.20,  95.97)    1.78                32
 10/07/2016   11:24:32   (  79.46, -94.75) 10/07/2016   11:25:18  (  79.46, -94.72)    0.58                46
 10/10/2016   02:51:42   ( -79.20,-148.22) 10/10/2016   02:51:39  ( -79.19,-148.35)    3.01                 3