Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 19.  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)
 08/20/2016   10:35:19   ( -79.11,  95.30) 08/20/2016   10:34:37  ( -79.11,  95.28)    0.33                42
 08/20/2016   11:24:36   (  79.45, -94.84) 08/20/2016   11:25:11  (  79.46, -94.72)    2.63                35
 08/23/2016   02:51:44   ( -79.24,-148.01) 08/23/2016   02:51:27  ( -79.24,-148.01)    0.27                17
 08/23/2016   03:41:05   (  79.42,  20.84) 08/23/2016   03:42:06  (  79.42,  20.69)    3.20                61
 08/25/2016   18:18:50   (  78.99, 158.71) 08/25/2016   18:17:41  (  78.99, 158.68)    0.64                69
 08/25/2016   19:08:09   ( -79.32, -31.59) 08/25/2016   19:08:17  ( -79.33, -31.55)    0.96                 8
 08/28/2016   10:35:14   (  79.15, -84.45) 08/28/2016   10:34:30  (  79.15, -84.39)    1.30                44
 08/28/2016   11:24:34   ( -79.44,  85.06) 08/28/2016   11:25:07  ( -79.45,  85.18)    2.75                33
 08/31/2016   02:51:41   (  79.18,  31.64) 08/31/2016   02:51:23  (  79.17,  31.53)    2.39                18