Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 6 14.  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)
 06/17/2016   10:35:35   ( -79.14,  95.48) 06/17/2016   10:35:03  ( -79.13,  95.36)    2.74                32
 06/17/2016   11:24:52   (  79.49, -94.64) 06/17/2016   11:25:37  (  79.49, -94.58)    1.22                45
 06/20/2016   02:51:58   ( -79.30,-147.68) 06/20/2016   02:51:52  ( -79.29,-147.68)    0.26                 6
 06/20/2016   03:41:18   (  79.52,  21.45) 06/20/2016   03:42:30  (  79.51,  21.34)    2.55                72
 06/22/2016   18:19:03   (  79.11, 159.41) 06/22/2016   18:18:06  (  79.12, 159.49)    1.71                57
 06/22/2016   19:08:25   ( -79.32, -31.62) 06/22/2016   19:08:46  ( -79.31, -31.76)    3.13                21
 06/25/2016   10:35:29   (  79.17, -84.34) 06/25/2016   10:34:59  (  79.17, -84.37)    0.69                30
 06/25/2016   11:24:48   ( -79.50,  85.43) 06/25/2016   11:25:35  ( -79.50,  85.48)    1.00                47
 06/28/2016   02:51:54   (  79.26,  32.11) 06/28/2016   02:51:51  (  79.25,  32.01)    2.37                 3