Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 12 27.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2013   02:03:18   ( -78.62,-139.20) ( -78.62,-139.19)    0.09                27
 12/29/2013   02:52:36   (  78.95,  30.27) (  78.94,  30.22)    1.21                51
 12/31/2013   17:32:56   (  70.96, 147.46) (  71.24, 145.76)   68.48                73
 12/31/2013   18:19:46   ( -78.76, -22.56) ( -78.76, -22.55)    0.37                 0
 01/03/2014   09:46:57   (  78.44, -76.05) (  78.43, -76.12)    1.92                49
 01/03/2014   10:36:15   ( -78.83,  93.69) ( -78.82,  93.62)    1.89                28
 01/06/2014   02:03:22   (  78.60,  40.69) (  78.60,  40.68)    0.38                21
 01/06/2014   02:52:41   ( -78.95,-149.74) ( -78.95,-149.75)    0.19                56
 01/08/2014   17:30:32   ( -78.33, -12.48) ( -78.33, -12.47)    0.45                70