Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 9 7.  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)
 09/08/2016   02:51:42   ( -79.20,-148.25) 09/08/2016   02:51:17  ( -79.20,-148.22)    0.73                25
 09/08/2016   03:41:02   (  79.43,  20.89) 09/08/2016   03:41:55  (  79.42,  20.81)    1.78                53
 09/10/2016   19:08:09   ( -79.28, -31.86) 09/10/2016   19:08:08  ( -79.28, -31.86)    0.03                 1
 09/10/2016   19:55:18   (  81.75,-174.25) 09/10/2016   19:56:31  (  81.10,-174.95)   72.40                73
 09/13/2016   10:35:15   (  79.06, -84.95) 09/13/2016   10:34:21  (  79.06, -84.98)    0.80                54
 09/13/2016   11:24:35   ( -79.35,  84.49) 09/13/2016   11:24:58  ( -79.35,  84.48)    0.21                23
 09/16/2016   02:51:41   (  79.17,  31.57) 09/16/2016   02:51:11  (  79.17,  31.57)    0.10                30
 09/16/2016   03:41:01   ( -79.45,-158.94) 09/16/2016   03:41:48  ( -79.46,-158.92)    0.56                47
 09/18/2016   19:08:07   (  79.27, 148.06) 09/18/2016   19:08:01  (  79.27, 148.12)    1.36                 6
 09/18/2016   19:57:27   ( -79.55, -42.41) 09/18/2016   19:58:38  ( -79.55, -42.32)    1.91                71
 09/21/2016   10:35:16   ( -79.01,  94.73) 09/21/2016   10:34:17  ( -79.01,  94.69)    1.08                59