Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2013 3 12.  Predictions up to the next  14.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 03/13/2013   00:59:14   (  -6.22,   8.24) 03/13/2013   00:49:14    (  -6.21,   7.62)   68.49            600
 03/13/2013   01:47:32   (   1.81, 176.80) 03/13/2013   01:38:45    (   1.61, 175.95)   97.44            527
 03/15/2013   17:15:23   (  -4.82, 124.41) 03/15/2013   17:05:46    (  -4.67, 123.73)   77.33            577
 03/18/2013   09:31:29   (  -3.28,-119.38) 03/18/2013   09:22:18    (  -3.14,-120.16)   87.79            551
 03/21/2013   00:59:25   (   6.20,-171.79) 03/21/2013   00:49:25    (   6.14,-172.40)   68.20            600
 03/21/2013   01:47:33   (  -1.72,  -3.17) 03/21/2013   01:38:48    (  -1.56,  -4.04)   98.34            525
 03/23/2013   17:15:30   (   4.69, -55.58) 03/23/2013   17:05:55    (   4.51, -56.27)   78.67            575
 03/26/2013   09:31:33   (   3.09,  60.65) 03/26/2013   09:22:25    (   2.89,  59.86)   89.68            548