Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 12 18.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2013   09:46:40   (  78.51, -75.63) (  78.51, -75.66)    0.92                56
 12/18/2013   10:35:58   ( -78.89,  94.08) ( -78.89,  94.08)    0.10                21
 12/21/2013   02:03:01   (  78.63,  40.92) (  78.63,  40.84)    1.78                21
 12/21/2013   02:52:19   ( -79.01,-149.32) ( -79.00,-149.36)    0.78                56
 12/23/2013   17:30:02   ( -78.46, -11.73) ( -78.45, -11.75)    0.53                63
 12/23/2013   18:19:19   (  78.82, 157.87) (  78.82, 157.82)    1.34                15
 12/26/2013   09:46:17   ( -78.68, 105.35) ( -78.68, 105.40)    1.06                26
 12/26/2013   10:35:35   (  78.99, -85.22) (  78.99, -85.20)    0.50                52
 12/29/2013   01:13:14   (  78.50,  52.66) (  78.51,  52.78)    3.02                65
 12/29/2013   02:02:35   ( -78.76,-138.30) ( -78.75,-138.40)    2.38                13
 12/31/2013   17:29:29   (  78.64, 169.37) (  78.65, 169.41)    0.83                25