Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 9 21.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2013   10:36:01   (  78.82, -86.44) (  78.81, -86.56)    2.92                58
 09/21/2013   11:25:20   ( -79.16,  83.17) ( -79.15,  83.06)    2.49                19
 09/24/2013   02:52:24   (  79.04,  30.70) (  79.05,  30.81)    2.68                30
 09/24/2013   03:41:43   ( -79.33,-159.86) ( -79.34,-159.72)    3.17                47
 09/26/2013   19:08:50   (  79.07, 146.79) (  79.07, 146.69)    2.37                 0
 09/26/2013   19:56:14   ( -81.84,  -2.08) ( -81.24,  -2.04)   66.80                73
 09/29/2013   10:35:55   ( -78.95,  94.29) ( -78.96,  94.39)    2.32                49
 09/29/2013   11:25:14   (  79.21, -96.48) (  79.22, -96.43)    1.18                29
 10/02/2013   02:52:20   ( -79.03,-149.33) ( -79.04,-149.26)    1.62                19
 10/02/2013   03:41:39   (  79.29,  19.91) (  79.29,  19.92)    0.51                59
 10/04/2013   18:19:24   (  78.83, 157.74) (  78.84, 157.83)    2.24                66