Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 1 28.  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   01:17:22   (  68.48,  28.16) 01/30/2014   01:16:09  (  68.81,  26.27)   85.05                73
 01/30/2014   02:03:32   ( -78.55,-139.56) 01/30/2014   02:03:32  ( -78.54,-139.66)    2.65                 0
 01/30/2014   02:50:07   (  81.51,  89.26) 01/30/2014   02:51:20  (  80.79,  87.84)   83.99                73
 02/01/2014   17:30:38   (  78.36, 167.69) 02/01/2014   17:29:49  (  78.36, 167.72)    0.59                49
 02/01/2014   18:19:56   ( -78.75, -22.59) 02/01/2014   18:20:24  ( -78.76, -22.52)    1.78                28
 02/04/2014   09:47:03   (  78.53, -75.53) 02/04/2014   09:46:43  (  78.54, -75.45)    1.89                20
 02/04/2014   10:36:24   ( -78.80,  93.55) 02/04/2014   10:37:22  ( -78.79,  93.43)    2.91                58
 02/07/2014   01:14:16   ( -78.09,-129.46) 02/07/2014   01:13:09  ( -78.08,-129.57)    2.86                67
 02/07/2014   02:03:29   (  78.63,  40.90) 02/07/2014   02:03:39  (  78.63,  40.92)    0.44                10
 02/09/2014   17:30:39   ( -78.30, -12.56) 02/09/2014   17:30:02  ( -78.30, -12.60)    0.78                37