Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 16.  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)
 07/16/2016   18:19:00   ( -79.04, -21.03) 07/16/2016   18:18:01  ( -79.04, -21.05)    0.32                59
 07/16/2016   19:08:17   (  79.38, 148.79) 07/16/2016   19:08:35  (  79.39, 148.88)    2.02                18
 07/19/2016   10:35:25   ( -79.15,  95.53) 07/19/2016   10:34:52  ( -79.15,  95.52)    0.27                33
 07/19/2016   11:24:42   (  79.49, -94.61) 07/19/2016   11:25:26  (  79.49, -94.51)    2.10                44
 07/22/2016   02:51:49   ( -79.29,-147.67) 07/22/2016   02:51:42  ( -79.29,-147.65)    0.48                 7
 07/22/2016   03:41:07   (  79.59,  21.96) 07/22/2016   03:42:17  (  79.59,  22.09)    2.83                70
 07/24/2016   18:18:56   (  79.02, 158.86) 07/24/2016   18:17:58  (  79.02, 158.80)    1.26                58
 07/24/2016   19:08:14   ( -79.39, -31.16) 07/24/2016   19:08:33  ( -79.40, -31.08)    1.68                19
 07/27/2016   10:35:18   (  79.19, -84.21) 07/27/2016   10:34:46  (  79.19, -84.18)    0.60                32
 07/27/2016   11:24:40   ( -79.40,  84.82) 07/27/2016   11:25:26  ( -79.39,  84.69)    2.80                46
 07/30/2016   02:51:41   (  79.35,  32.72) 07/30/2016   02:51:35  (  79.36,  32.87)    3.08                 6