Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2014 1 17.  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)
 01/19/2014   09:46:53   (  78.49, -75.74) 01/19/2014   09:46:24  (  78.48, -75.78)    0.80                29
 01/19/2014   10:36:12   ( -78.84,  93.79) 01/19/2014   10:37:00  ( -78.83,  93.73)    1.17                48
 01/22/2014   02:03:24   (  78.59,  40.67) 01/22/2014   02:03:18  (  78.59,  40.62)    1.13                 6
 01/22/2014   02:52:43   ( -78.94,-149.74) 01/22/2014   02:53:54  ( -78.93,-149.81)    1.60                71
 01/24/2014   17:30:45   ( -78.22, -13.01) 01/24/2014   17:29:41  ( -78.21, -13.11)    2.55                64
 01/24/2014   18:19:59   (  78.72, 157.20) 01/24/2014   18:20:12  (  78.72, 157.25)    1.27                13
 01/27/2014   09:47:21   ( -78.46, 104.01) 01/27/2014   09:46:32  ( -78.47, 104.13)    2.95                49
 01/27/2014   10:36:40   (  78.74, -86.84) 01/27/2014   10:37:09  (  78.74, -86.85)    0.21                29
 01/30/2014   02:04:08   ( -78.38,-140.59) 01/30/2014   02:03:32  ( -78.37,-140.65)    1.37                36