Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 3.  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)
 07/06/2014   07:19:29   (  76.13, -48.29) 07/06/2014   07:19:18  (  76.12, -48.37)    2.42                11
 07/06/2014   08:08:39   ( -76.97, 122.21) 07/06/2014   08:09:45  ( -76.97, 122.15)    1.79                66
 07/08/2014   22:46:39   ( -75.80,-101.06) 07/08/2014   22:45:41  ( -75.82,-100.97)    2.70                58
 07/08/2014   23:35:50   (  76.50,  68.78) 07/08/2014   23:36:10  (  76.50,  68.75)    1.00                20
 07/11/2014   15:03:02   ( -76.01,  15.43) 07/11/2014   15:02:36  ( -76.01,  15.45)    0.61                26
 07/11/2014   15:52:13   (  76.69,-174.68) 07/11/2014   15:53:05  (  76.68,-174.77)    2.67                52
 07/14/2014   06:30:12   (  75.49, -37.84) 07/14/2014   06:29:01  (  75.50, -37.77)    2.03                71
 07/14/2014   07:19:22   ( -76.37, 132.47) 07/14/2014   07:19:28  ( -76.38, 132.52)    1.50                 6
 07/16/2014   22:46:35   (  75.69,  78.60) 07/16/2014   22:45:57  (  75.69,  78.60)    0.20                38