Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2011 12 18.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2011   19:57:19   (  79.78, 139.83) (  79.77, 139.70)    2.62                69
 12/21/2011   10:35:11   (  79.45, -81.99) (  79.46, -81.86)    2.75                72
 12/21/2011   11:24:31   ( -79.72,  87.58) ( -79.72,  87.69)    2.10                 5
 12/24/2011   02:51:51   (  79.43,  33.71) (  79.43,  33.67)    0.97                60
 12/24/2011   03:41:12   ( -79.67,-156.97) ( -79.66,-157.06)    1.77                17
 12/26/2011   19:08:30   (  79.53, 150.21) (  79.53, 150.29)    1.59                52
 12/26/2011   19:57:51   ( -79.76, -40.42) ( -79.76, -40.38)    0.72                25
 12/29/2011   11:25:17   (  79.48, -94.35) (  79.47, -94.46)    2.41                46
 12/29/2011   12:14:35   ( -79.82,  75.86) ( -79.83,  76.01)    3.03                30
 01/01/2012   03:42:04   (  79.54,  21.90) (  79.54,  21.89)    0.15                44