Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 7 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)
 08/01/2016   18:18:55   ( -78.99, -21.30) 08/01/2016   18:17:56  ( -78.98, -21.42)    2.70                59
 08/01/2016   19:08:12   (  79.34, 148.49) 08/01/2016   19:08:30  (  79.33, 148.47)    0.61                18
 08/04/2016   10:35:20   ( -79.16,  95.59) 08/04/2016   10:34:45  ( -79.16,  95.58)    0.21                35
 08/04/2016   11:24:37   (  79.49, -94.56) 08/04/2016   11:25:19  (  79.50, -94.46)    2.18                42
 08/07/2016   02:51:47   ( -79.20,-148.29) 08/07/2016   02:51:37  ( -79.19,-148.42)    2.94                10
 08/07/2016   03:41:04   (  79.53,  21.56) 08/07/2016   03:42:11  (  79.53,  21.54)    0.44                67
 08/09/2016   18:18:53   (  79.01, 158.79) 08/09/2016   18:17:50  (  79.01, 158.76)    0.63                63
 08/09/2016   19:08:11   ( -79.38, -31.22) 08/09/2016   19:08:25  ( -79.39, -31.14)    1.75                14
 08/12/2016   10:35:19   (  79.11, -84.72) 08/12/2016   10:34:41  (  79.10, -84.77)    1.13                38