Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 4.  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)
 09/05/2016   10:35:14   ( -79.14,  95.51) 09/05/2016   10:34:25  ( -79.15,  95.60)    2.02                49
 09/05/2016   11:24:34   (  79.37, -95.37) 09/05/2016   11:25:03  (  79.37, -95.40)    0.54                29
 09/08/2016   02:51:42   ( -79.19,-148.31) 09/08/2016   02:51:17  ( -79.19,-148.27)    1.04                25
 09/08/2016   03:41:01   (  79.45,  21.06) 09/08/2016   03:41:54  (  79.45,  21.01)    1.29                53
 09/10/2016   19:08:08   ( -79.30, -31.70) 09/10/2016   19:08:07  ( -79.31, -31.64)    1.31                 1
 09/10/2016   19:55:05   (  81.59,-168.63) 09/10/2016   19:56:18  (  80.89,-169.86)   79.92                73
 09/13/2016   10:35:14   (  79.12, -84.60) 09/13/2016   10:34:20  (  79.13, -84.49)    2.39                54
 09/13/2016   11:24:34   ( -79.41,  84.88) 09/13/2016   11:24:57  ( -79.42,  85.01)    2.95                23
 09/16/2016   02:51:41   (  79.14,  31.39) 09/16/2016   02:51:12  (  79.14,  31.34)    0.97                29
 09/16/2016   03:41:01   ( -79.43,-159.12) 09/16/2016   03:41:49  ( -79.43,-159.15)    0.51                48
 09/18/2016   19:08:08   (  79.19, 147.56) 09/18/2016   19:08:04  (  79.18, 147.42)    3.06                 4