Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 10.  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   15:03:02   ( -75.96,  15.28) 07/11/2014   15:02:37  ( -75.95,  15.25)    0.85                25
 07/11/2014   15:52:09   (  76.85,-174.12) 07/11/2014   15:53:01  (  76.85,-174.09)    1.04                52
 07/14/2014   06:30:10   (  75.53, -37.73) 07/14/2014   06:29:00  (  75.54, -37.65)    2.61                70
 07/14/2014   07:19:18   ( -76.48, 132.86) 07/14/2014   07:19:25  ( -76.50, 132.97)    3.04                 7
 07/16/2014   22:46:34   (  75.63,  78.45) 07/16/2014   22:45:58  (  75.63,  78.41)    1.31                36
 07/16/2014   23:35:43   ( -76.54,-111.07) 07/16/2014   23:36:24  ( -76.54,-111.10)    1.01                41
 07/19/2014   14:18:17   ( -60.05,   5.91) 07/19/2014   14:17:04  ( -60.31,   4.42)   87.53                73
 07/19/2014   15:02:51   (  76.04,-164.44) 07/19/2014   15:02:49  (  76.03,-164.47)    1.05                 2
 07/19/2014   15:51:25   ( -78.50,  13.01) 07/19/2014   15:52:39  ( -78.40,  13.43)   14.26                74
 07/22/2014   06:30:00   ( -75.52, 142.27) 07/22/2014   06:29:15  ( -75.52, 142.28)    0.44                45