Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 1 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)
 01/30/2014   01:17:14   (  68.87,  28.66) 01/30/2014   01:16:01  (  69.19,  26.80)   81.86                73
 01/30/2014   02:03:31   ( -78.56,-139.53) 01/30/2014   02:03:31  ( -78.55,-139.62)    2.17                 0
 01/30/2014   02:50:01   (  81.42,  91.28) 01/30/2014   02:51:13  (  80.67,  90.01)   87.12                72
 02/01/2014   17:30:37   (  78.40, 167.90) 02/01/2014   17:29:48  (  78.40, 167.99)    2.06                49
 02/01/2014   18:19:55   ( -78.79, -22.36) 02/01/2014   18:20:23  ( -78.80, -22.23)    3.15                28
 02/04/2014   09:47:05   (  78.44, -76.02) 02/04/2014   09:46:46  (  78.43, -76.09)    1.69                19
 02/04/2014   10:36:23   ( -78.83,  93.74) 02/04/2014   10:37:21  ( -78.83,  93.72)    0.30                58
 02/07/2014   01:14:13   ( -78.20,-128.93) 02/07/2014   01:13:06  ( -78.21,-128.88)    1.36                67
 02/07/2014   02:03:30   (  78.57,  40.57) 02/07/2014   02:03:41  (  78.57,  40.50)    1.53                11
 02/09/2014   17:30:37   ( -78.31, -12.52) 02/09/2014   17:30:01  ( -78.31, -12.55)    0.81                36