Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2011 12 28.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2011   11:24:32   (  79.70, -92.55) (  79.70, -92.43)    2.49                10
 12/29/2011   12:13:53   ( -79.91,  76.78) ( -79.92,  76.92)    2.81                67
 01/01/2012   02:51:40   ( -79.54,-145.47) ( -79.55,-145.32)    3.00                67
 01/01/2012   03:41:01   (  79.73,  23.54) (  79.73,  23.58)    0.92                11
 01/03/2012   19:08:09   ( -79.55, -29.54) ( -79.55, -29.55)    0.16                45
 01/03/2012   19:57:30   (  79.73, 139.45) (  79.73, 139.34)    2.35                33
 01/06/2012   11:24:35   ( -79.64,  87.02) ( -79.65,  87.09)    1.46                23
 01/06/2012   12:13:55   (  79.85,-103.69) (  79.85,-103.73)    0.85                55
 01/09/2012   02:54:45   (  70.36,   6.13) (  70.74,   3.78)   96.44                72