Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 4 6.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2012   19:58:16   (  79.92, 140.60) (  79.93, 140.67)    1.36                46
 04/08/2012   20:47:38   ( -80.10, -50.29) ( -80.10, -50.20)    1.84                31
 04/11/2012   12:14:46   (  79.93,-103.48) (  79.93,-103.50)    0.51                23
 04/11/2012   13:04:08   ( -80.11,  65.65) ( -80.11,  65.64)    0.30                54
 04/14/2012   04:31:14   (  80.02,  13.16) (  80.02,  13.20)    0.95                 0
 04/14/2012   05:18:06   ( -81.06,-119.50) ( -80.27,-121.66)   95.46                73
 04/16/2012   19:58:22   ( -79.89, -39.69) ( -79.89, -39.70)    0.20                54
 04/16/2012   20:47:43   (  80.06, 129.34) (  80.06, 129.29)    0.94                24
 04/19/2012   12:14:49   ( -79.98,  76.91) ( -79.98,  76.96)    0.89                30