Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 26.  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   (  79.01, 158.87) 09/26/2016   18:17:41  (  79.01, 158.87)    0.07                65
 09/26/2016   19:08:05   ( -79.33, -31.49) 09/26/2016   19:08:17  ( -79.33, -31.47)    0.47                12
 09/29/2016   10:35:11   (  79.21, -84.03) 09/29/2016   10:34:33  (  79.22, -83.89)    2.90                38
 09/29/2016   11:24:34   ( -79.37,  84.67) 09/29/2016   11:25:14  ( -79.36,  84.53)    3.08                40
 10/02/2016   02:51:40   (  79.24,  32.05) 10/02/2016   02:51:30  (  79.25,  32.07)    0.38                10
 10/02/2016   03:41:00   ( -79.52,-158.45) 10/02/2016   03:42:07  ( -79.52,-158.41)    0.79                67
 10/04/2016   18:18:48   ( -79.04, -20.98) 10/04/2016   18:17:48  ( -79.04, -20.97)    0.13                60
 10/04/2016   19:08:07   (  79.31, 148.34) 10/04/2016   19:08:25  (  79.31, 148.28)    1.15                18
 10/07/2016   10:35:15   ( -79.14,  95.50) 10/07/2016   10:34:43  ( -79.14,  95.48)    0.44                32
 10/07/2016   11:24:34   (  79.40, -95.17) 10/07/2016   11:25:20  (  79.40, -95.25)    1.65                46
 10/10/2016   02:51:41   ( -79.27,-147.81) 10/10/2016   02:51:37  ( -79.27,-147.81)    0.11                 4