Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 31.  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)
 09/02/2016   18:18:46   ( -79.05, -20.92) 09/02/2016   18:17:35  ( -79.05, -20.83)    1.94                71
 09/02/2016   19:08:06   (  79.28, 148.15) 09/02/2016   19:08:13  (  79.28, 148.11)    0.74                 7
 09/05/2016   10:35:12   ( -79.11,  95.33) 09/05/2016   10:34:27  ( -79.11,  95.30)    0.66                45
 09/05/2016   11:24:32   (  79.34, -95.60) 09/05/2016   11:25:05  (  79.33, -95.74)    2.97                33
 09/08/2016   02:51:37   ( -79.16,-148.46) 09/08/2016   02:51:18  ( -79.16,-148.56)    2.30                19
 09/08/2016   03:40:53   (  79.54,  21.66) 09/08/2016   03:41:51  (  79.54,  21.76)    2.03                58
 09/10/2016   18:18:39   (  79.08, 159.25) 09/10/2016   18:17:28  (  79.08, 159.37)    2.56                71
 09/10/2016   19:08:02   ( -79.25, -32.03) 09/10/2016   19:08:09  ( -79.24, -32.17)    3.09                 7
 09/13/2016   10:35:04   (  79.15, -84.38) 09/13/2016   10:34:19  (  79.16, -84.26)    2.75                45