Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 9.  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)
 07/11/2014   15:03:03   ( -75.92,  15.18) 07/11/2014   15:02:38  ( -75.92,  15.14)    1.15                25
 07/11/2014   15:52:09   (  76.86,-174.08) 07/11/2014   15:53:01  (  76.86,-174.05)    0.85                52
 07/14/2014   06:30:11   (  75.50, -37.82) 07/14/2014   06:29:01  (  75.50, -37.75)    2.07                70
 07/14/2014   07:19:20   ( -76.41, 132.61) 07/14/2014   07:19:27  ( -76.42, 132.68)    2.34                 7
 07/16/2014   22:46:36   (  75.56,  78.24) 07/16/2014   22:46:00  (  75.55,  78.16)    2.53                36
 07/16/2014   23:35:45   ( -76.47,-111.30) 07/16/2014   23:36:26  ( -76.46,-111.38)    2.39                41
 07/19/2014   14:18:41   ( -58.64,   5.01) 07/19/2014   14:17:29  ( -58.87,   3.42)   95.34                72
 07/19/2014   15:02:47   (  76.22,-163.86) 07/19/2014   15:02:44  (  76.23,-163.77)    2.80                 3
 07/19/2014   15:51:40   ( -77.84,   9.85) 07/19/2014   15:52:54  ( -77.79,  10.09)    8.31                74
 07/22/2014   06:29:59   ( -75.62, 142.56) 07/22/2014   06:29:13  ( -75.63, 142.65)    2.90                46