Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2016 8 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)
 08/04/2016   10:35:21   ( -79.12,  95.35) 08/04/2016   10:34:46  ( -79.12,  95.30)    1.12                35
 08/04/2016   11:24:38   (  79.46, -94.78) 08/04/2016   11:25:20  (  79.46, -94.74)    0.87                42
 08/07/2016   02:51:45   ( -79.28,-147.73) 08/07/2016   02:51:34  ( -79.29,-147.66)    1.62                11
 08/07/2016   03:41:06   (  79.47,  21.13) 08/07/2016   03:42:13  (  79.46,  21.01)    2.52                67
 08/09/2016   18:18:51   (  79.11, 159.43) 08/09/2016   18:17:47  (  79.12, 159.55)    2.64                64
 08/09/2016   19:08:13   ( -79.32, -31.59) 08/09/2016   19:08:27  ( -79.32, -31.64)    1.13                14
 08/12/2016   10:35:19   (  79.15, -84.49) 08/12/2016   10:34:40  (  79.15, -84.45)    0.92                39
 08/12/2016   11:24:41   ( -79.36,  84.51) 08/12/2016   11:25:20  ( -79.35,  84.37)    3.00                39
 08/15/2016   02:51:45   (  79.25,  32.06) 08/15/2016   02:51:31  (  79.25,  32.07)    0.23                14
 08/15/2016   03:41:05   ( -79.54,-158.38) 08/15/2016   03:42:08  ( -79.55,-158.27)    2.40                63
 08/17/2016   18:18:55   ( -78.93, -21.64) 08/17/2016   18:17:49  ( -78.93, -21.77)    2.83                66