Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 1 25.  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)
 01/27/2014   09:47:01   ( -78.58, 104.72) 01/27/2014   09:46:32  ( -78.59, 104.85)    3.10                29
 01/27/2014   10:36:19   (  78.90, -85.86) 01/27/2014   10:37:08  (  78.90, -85.80)    1.22                49
 01/30/2014   01:16:57   (  69.80,  29.88) 01/30/2014   01:15:44  (  70.09,  28.12)   74.58                73
 01/30/2014   02:03:30   ( -78.59,-139.35) 01/30/2014   02:03:30  ( -78.59,-139.38)    0.63                 0
 01/30/2014   02:49:43   (  81.05,  97.91) 01/30/2014   02:50:55  (  80.25,  95.94)   95.91                72
 02/01/2014   17:30:38   (  78.33, 167.56) 02/01/2014   17:29:50  (  78.33, 167.53)    0.83                48
 02/01/2014   18:19:56   ( -78.73, -22.70) 02/01/2014   18:20:25  ( -78.73, -22.70)    0.30                29
 02/04/2014   09:47:04   (  78.44, -76.00) 02/04/2014   09:46:46  (  78.43, -76.08)    2.05                18
 02/04/2014   10:36:22   ( -78.84,  93.78) 02/04/2014   10:37:21  ( -78.83,  93.75)    0.65                59
 02/07/2014   01:14:13   ( -78.15,-129.19) 02/07/2014   01:13:08  ( -78.14,-129.28)    2.19                65