Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 1 29.  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   01:17:20   (  68.55,  28.25) 01/30/2014   01:16:07  (  68.87,  26.36)   84.46                73
 01/30/2014   02:03:32   ( -78.52,-139.73) 01/30/2014   02:03:32  ( -78.51,-139.84)    2.37                 0
 01/30/2014   02:50:05   (  81.49,  89.76) 01/30/2014   02:51:18  (  80.77,  88.29)   84.65                73
 02/01/2014   17:30:38   (  78.36, 167.73) 02/01/2014   17:29:49  (  78.37, 167.78)    1.15                49
 02/01/2014   18:19:55   ( -78.80, -22.33) 02/01/2014   18:20:23  ( -78.80, -22.22)    2.52                28
 02/04/2014   09:47:06   (  78.41, -76.18) 02/04/2014   09:46:47  (  78.39, -76.30)    3.11                19
 02/04/2014   10:36:24   ( -78.80,  93.55) 02/04/2014   10:37:22  ( -78.79,  93.49)    1.45                58
 02/07/2014   01:14:14   ( -78.17,-129.08) 02/07/2014   01:13:07  ( -78.17,-129.09)    0.46                67
 02/07/2014   02:03:28   (  78.67,  41.10) 02/07/2014   02:03:38  (  78.68,  41.21)    2.77                10
 02/09/2014   17:30:35   ( -78.41, -12.01) 02/09/2014   17:29:58  ( -78.42, -11.89)    2.93                37
 02/09/2014   18:19:53   (  78.73, 157.33) 02/09/2014   18:20:34  (  78.73, 157.32)    0.25                41
 02/12/2014   09:47:01   ( -78.45, 104.07) 02/12/2014   09:46:56  ( -78.44, 103.97)    2.46                 5