Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2013 6 15.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/17/2013   12:15:04   (  79.41,-107.61) (  79.40,-107.72)    2.25                 0
 06/17/2013   13:02:04   ( -81.59, 114.94) ( -80.83, 113.68)   87.13                73
 06/20/2013   03:42:08   ( -79.31,-160.06) ( -79.32,-159.93)    2.89                51
 06/20/2013   04:31:28   (  79.53,   9.07) (  79.52,   9.06)    0.42                27
 06/22/2013   19:58:34   ( -79.34, -43.95) ( -79.34, -43.96)    0.27                23
 06/22/2013   20:47:52   (  79.63, 125.69) (  79.64, 125.84)    3.21                54
 06/25/2013   11:25:35   (  79.23, -96.43) (  79.23, -96.32)    2.49                73
 06/25/2013   12:14:57   ( -79.44,  72.58) ( -79.43,  72.53)    1.24                 5
 06/28/2013   03:41:59   (  79.31,  20.01) (  79.32,  20.14)    2.94                45