Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 6 27.  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)
 06/28/2014   07:19:22   ( -76.40, 132.60) 06/28/2014   07:19:00  ( -76.41, 132.65)    1.45                22
 06/28/2014   08:08:31   (  77.19, -56.95) 06/28/2014   08:09:26  (  77.20, -56.86)    2.31                55
 06/30/2014   22:46:39   (  75.71,  78.67) 06/30/2014   22:45:27  (  75.72,  78.71)    1.13                72
 06/30/2014   23:35:47   ( -76.66,-110.67) 06/30/2014   23:35:52  ( -76.67,-110.59)    2.23                 5
 07/03/2014   15:03:01   (  76.11,-164.26) 07/03/2014   15:02:16  (  76.12,-164.16)    2.83                45
 07/03/2014   15:52:17   ( -76.67,   5.23) 07/03/2014   15:52:50  ( -76.66,   5.15)    2.22                33
 07/06/2014   07:19:30   (  76.15, -48.25) 07/06/2014   07:19:13  (  76.15, -48.28)    0.64                17
 07/06/2014   08:08:40   ( -76.99, 122.27) 07/06/2014   08:09:40  ( -76.99, 122.28)    0.36                60
 07/08/2014   22:46:44   ( -75.63,-101.60) 07/08/2014   22:45:37  ( -75.63,-101.54)    1.62                67