Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 1 20.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2012   11:24:34   ( -79.71,  87.12) ( -79.72,  87.26)    3.04                47
 01/22/2012   12:13:56   (  79.86,-104.10) (  79.86,-104.15)    1.00                31
 01/25/2012   03:41:21   ( -79.68,-157.26) ( -79.68,-157.36)    2.00                32
 01/25/2012   04:30:41   (  79.91,  12.09) (  79.91,  12.08)    0.30                45
 01/27/2012   19:58:15   ( -79.71, -41.33) ( -79.70, -41.47)    2.98                22
 01/27/2012   20:47:35   (  79.93, 128.05) (  79.93, 127.97)    1.46                55
 01/30/2012   12:15:16   ( -79.77,  74.93) ( -79.77,  74.94)    0.15                17
 01/30/2012   13:04:36   (  80.00,-115.66) (  80.00,-115.59)    1.28                60
 02/02/2012   04:32:25   ( -79.82,-169.04) ( -79.82,-168.98)    1.09                16