Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 7 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)
 07/06/2014   07:19:28   (  76.16, -48.20) 07/06/2014   07:19:17  (  76.15, -48.27)    2.15                11
 07/06/2014   08:08:38   ( -77.00, 122.30) 07/06/2014   08:09:44  ( -76.99, 122.26)    1.26                66
 07/08/2014   22:46:38   ( -75.83,-100.99) 07/08/2014   22:45:40  ( -75.84,-100.89)    2.97                58
 07/08/2014   23:35:50   (  76.48,  68.71) 07/08/2014   23:36:10  (  76.48,  68.68)    0.99                20
 07/11/2014   15:03:02   ( -76.03,  15.50) 07/11/2014   15:02:36  ( -76.03,  15.52)    0.54                26
 07/11/2014   15:52:14   (  76.67,-174.75) 07/11/2014   15:53:06  (  76.66,-174.86)    2.99                52
 07/14/2014   06:30:13   (  75.42, -38.04) 07/14/2014   06:29:02  (  75.43, -38.00)    1.31                71
 07/14/2014   07:19:22   ( -76.35, 132.39) 07/14/2014   07:19:28  ( -76.35, 132.43)    0.95                 6
 07/16/2014   22:46:36   (  75.61,  78.39) 07/16/2014   22:45:58  (  75.61,  78.35)    1.40                38