Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 1 20.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2013   20:47:21   ( -79.79, -52.88) ( -79.79, -52.83)    1.10                22
 01/21/2013   21:36:43   (  79.94, 116.00) (  79.94, 115.88)    2.65                56
 01/24/2013   12:16:41   (  73.80,-128.48) (  74.14,-130.51)   72.76                73
 01/24/2013   13:03:56   ( -79.83,  63.33) ( -79.84,  63.33)    0.17                 1
 01/27/2013   04:31:11   (  79.70,  10.52) (  79.70,  10.53)    0.29                54
 01/27/2013   05:20:34   ( -79.85, 179.26) ( -79.84, 179.11)    2.97                24
 01/29/2013   20:47:48   (  79.78, 126.99) (  79.79, 127.06)    1.32                32
 01/29/2013   21:37:11   ( -79.93, -64.24) ( -79.92, -64.32)    1.77                46
 02/01/2013   13:04:27   (  79.83,-116.80) (  79.83,-116.79)    0.36                10